In what position should your wheels be when parking on a down hill street with the curb to the right?
Answers
When parking on a downhill street with the curb to the right, it is essential to position your wheels in a particular way to avoid any accidents or damage to your vehicle.
The correct position for your wheels is to turn them towards the curb. This means that the front wheels of your car should be turned to the right, towards the curb, and the rear wheels should be straight.
Turning the front wheels towards the curb will create an uphill buffer, which will prevent the car from rolling downhill if the brakes fail. This is especially important if you are parking on a steep slope. Additionally, turning the wheels towards the curb will also ensure that your car is parked closer to the curb, leaving enough space for other vehicles to pass.
It is essential to ensure that your wheels are in the correct position when parking on a downhill street to avoid any potential accidents. Remember to always engage the handbrake and put the car in park or first gear to ensure that it does not move while parked.
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Related Questions
The figure above shows the locations and charges of three objects. The magnitude of the electric force exerted on the object located at the origin is most nearly (A) 0.47 N (B) 0.80 N (C) 2.1 N (D) 2.8 N
Answers
The magnitude of the electric force exerted on the object located at the origin is most nearly is a). 0.47 N.
The magnitude of the electric forceTo calculate the magnitude of the electric force exerted on the object at the origin, we need to find the force due to each of the other two objects and then add them up using vector addition.
The electric force between two point charges is given by Coulomb's Law:
\(F = k(q1q2)/r^2\)
where
For the object at the origin, the distance to the object with charge \(-2q\) is \(d = 0.3\) m and the distance to the object with charge \(+3q\) is also \(d = 0.3\) m.
The force due to the object with charge \(-2q\) is:
\(F1 = k(q1q2)/r^2 = (9 x 10^9 Nm^2/C^2) \times (q \times (-2q))/(0.3 m)^2 = -3.6 x 10^{-6} N\)
Note that the negative sign indicates that the force is attractive (since the two charges have opposite signs).
The force due to the object with charge \(+3q\) is:
\(F2 = k(q1q2)/r^2 = (9 x 10^9 Nm^2/C^2) \times (q \times 3q)/(0.3 m)^2 = 1.62 \times 10^{-5} N\)
Note that the positive sign indicates that the force is repulsive (since the two charges have the same sign).
To find the total force on the object at the origin, we add the two forces:
\(F_{total} = F1 + F2 = -3.6 \times 10^{-6} N + 1.62 \times 10^{-5} N = 1.26 \times 10^{-5} N\)
The magnitude of this force is approximately 0.0126 N, which is closest to answer choice (A) 0.47 N.
Therefore, the answer is (A) 0.47 N.
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a diffraction grating with 145 slits per centimeter is used to measure the wavelengths emitted by hydrogen gas. at what angles in the third-order spectrum would you expect to find the two violet lines of wavelength 434 nm and of wavelength 410 nm? (angles in radians)
Answers
The two violet lines of hydrogen gas with wavelengths 434 nm and 410 nm in the third-order spectrum of a diffraction grating with 145 slits per centimetre would be expected at angles of approximately 1.09 radians and 1.22 radians, respectively.
Diffraction gratings are used to disperse light into its constituent wavelengths and measure their spectra. The number of slits per centimetre on the grating determines the angular spacing between the diffracted wavelengths. In this case, a diffraction grating with 145 slits per centimetre is used to measure the spectrum of hydrogen gas, which emits violet lines at wavelengths 434 nm and 410 nm. The third-order spectrum corresponds to diffracted wavelengths that are three times the spacing between the slits. Using the equation for diffraction grating, the angles at which these violet lines are expected to appear in the third-order spectrum can be calculated as approximately 1.09 radians for the 434 nm line and 1.22 radians for the 410 nm line.
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A 535 kg roller coaster car began at rest at the top of a 93.0 m hill. now it is at the top of the first loop-de-loop. an illustration of a roller coaster track with the first hill labeled 93.0 m high and it goes down to a vertical loop with the car at the top. the loop is labeled as 62.0 m high. this roller coaster’s track is nearly frictionless, so resistance can be ignored. using g = 9.8 m/s2, what best describes the roller coaster car when it is at the top of the loop-de-loop? the car has only potential energy, so it is moving at 0 m/s. the car has both potential and kinetic energy, and it is moving at 24.6 m/s. the car has both potential and kinetic energy, and it is moving at 34.9 m/s. the car’s potential energy has all been converted to kinetic energy, so it moves at 42.7 m/s.
Answers
Using g = 9.8 m/s2, the statement that best describes the roller coaster car when it is at the top of the loop-de-loop is that The car has both potential and kinetic energy, and it is moving at 24.6 m/s. The correct answer is B) The car has both potential and kinetic energy, and it is moving at 24.6 m/s.
Potential energy is the energy that is stored in any object or system as a result of its position or component arrangement. The environment outside of the object or system, such as air or height, has no impact on it. In contrast, kinetic energy refers to the energy of moving particles inside a system or an item.
The energy an individual or an object has as a result of motion in this case, the motion of the falling apple is known as kinetic energy. Potential energy, which exists in a bike that is parked on top of a hill, is converted to kinetic energy when you start riding it downhill. These two energies are both expressed as joules.
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Answer: B (The car has both potential and kinetic energy, and it is moving at 24.6 m/s.)
Explanation:
3. A 700 kg horse has 4000 J of kinetic energy as it is running.
What is the velocity of the horse?
K=
m.v2
2
< PREVIOUS
1
2
O
Answers
Answer:
Explanation:
if c has the velocity found in parts (a) and (b), what is the change in the kinetic energy of the system of three spheres as a result of the collision?
Answers
The change in kinetic energy of the system of the three spheres as a result of the collision is -0.145 J
What is the kinetic energy of a system?Kinetic energy of a system is the energy the system has due to the motion of the system.
Part of the question includes: Mass of sphere A = 0.020 kg
Velocity of A = 1.50 m/s in the -ve x-direction
Mass of B = 0.030 kg
Velocity of B = 0.50 m/s in the direction South 30° West
Mass of C = 0.050 kg
The spheres stick together after collision
Part A: The resultant velocity of the spheres = 0.50 m/s in the +ve x-direction:
Which gives: Velocity of A = -1.5·i
Velocity of B = -0.5×cos(60°)·i - 0.5×sin(60°)·j
Resultant velocity = 0.50·i
Which gives: \(\overset{\rightharpoonup}{v}_C\) = 0.50·i - (-0.5×cos(60°)·i - 0.5×sin(60°)·j -1.5·i) = \(\dfrac{9}{4} \cdot \mathbf{i}+\dfrac{\sqrt{3} }{4} \cdot \mathbf{j}\)
The initial kinetic energy of the system before collision is therefore:
K.E. = 0.5×m×v²
\(K.E._A =0.5\times 0.02 \times 1.5^2 = 0.0225\)
\(K.E._B =0.5\times 0.03 \times 0.5^2 = 0.00375\)
The magnitude of the velocity of C = \(|\overset{\rightharpoonup}{v}_C|=\sqrt{\left(\dfrac{9}{4} \right)^2+\left(\dfrac{\sqrt{3} }{4} \right)^2} = \dfrac{\sqrt{21} }{2}\)\(K.E._C=0.5\times 0.05\times \left( \dfrac{\sqrt{21} }{2}\right)^2= 0.13125\)
The initial energy in the system, K.E.₁ = 0.0225 + 0.00375 + 0.13125 = 0.1575
The final kinetic energy of the system, K.E.₂ = 0.5×(0.02+0.03+0.05)×0.5² = 0.0125
The change in kinetic energy of the system, ΔK.E. is therefore:
ΔK.E. = K.E.₂ - K.E.₁
Which gives:
ΔK.E. = 0.0125 - 0.1575 = -0.145
The change in kinetic energy of the system is -0.145 JLearn more about the work energy and power here:
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it is a set of measure designed to determine the level of physical fitness?
plss Pa answer po(^_^)
Answers
The PFT or physical fitness test is a set of measures designed to determine the level of physical fitness.....
how do u cure a headache without any pills no bots or I will report u?
Answers
Answer:
Try a Cold Pack. Use a Heating Pad or Hot Compress. Ease Pressure on Your Scalp or Head. Dim the Lights. Try Not to Chew. Hydrate. Get Some Caffeine. Practice Relaxation.
Answer:
Listen to calming music
Explanation:
Thats what I do. You could also sleep ;)
Which ituation with or without friction i more imilar to your everyday experience on a kateboard or bicycle?
Answers
Skateboarders move more quickly and more slowly depending on the gravitational field around them.
Skateboarders go more slowly and more quickly depending on the amount of friction they encounter. The skater initially has no kinetic energy, only potential energy. The skater had used all of the energy that she will ever have. Since the track is frictionless, no energy is converted to thermal energy throughout the route from point A to point B. The skater has greater potential energy the higher he is. His kinetic energy increases and his potential energy falls as his height decreases. Ice skating is a good illustration of sliding friction.
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Cuatro contenedores idénticos tienen la misma cantidad de gas helio a la misma temperatura inicial. Los recipientes también cuentan con un émbolo móvil que no permite que el helio escape. Cada muestra de gas sigue un proceso distinto como se describe a continuación: Muestra 1: 500 J de calor salen del gas y este realiza 300 J de trabajo. Muestra 2: 500 J de calor entran al gas y este realiza 300 J de trabajo. Muestra 3: 500 J de calor salen del gas y se hace un trabajo de 300 J sobre él. Muestra 4: 500 J de calor entran al gas y se hace un trabajo de 300 J sobre él.
Answers
Answer:
1) ΔE = -800 J, 2) ΔE = 200 J, 3) ΔE = -200 J, 4) ΔE = 800 J
Explanation:
For this exercise let's use the first law of thermodynamics
ΔE = Q + W
Where we will apply this expression to several cases
1) output Q = 500 J and does work of W = 300 J.
The two processes involve an energy output
ΔE = - 500 - 300
ΔE = -800 J
Therefore, the internal energy of the gas decreases by this amount,
2) enter Q = 500J and do work of W = 300 J
Positive heat is added and does negative work
ΔE = 500 - 300
ΔE = 200 J
3) they leave Q = 500 J and do (work on the gas) W = 300J
negative heat and positive work come out
ΔE = -500 + 300
ΔE = -200 J
4) heat enters Q = 500 J, work on gas W = 300 J
both positive
ΔE = 500 + 300
ΔE = 800 J
Help me for brainlest
Answers
Answer:
I would say its 4
Explanation:
...........
Answer:
3
Explanation:
Since x < 4, and can't be 1 (because if it is the code would output "apple"), the answer is 3.
Define Force
Check all that apply
Answers
Answer:
Push or pull
Explanation:
In a movie, a character cuts a wire, which stops the countdown timer of a bomb. What does cutting the wire do to the circuit?
It opens the circuit so that electric charges do not flow to the timer.
It closes the circuit so that electric charges do not flow to the timer.
It opens the circuit so that electric charges flow to the timer.
It closes the circuit so that electric charges flow to the timer.
Answers
Answer:
A :>
Explanation:
It opens the circuit so that electric charges do not flow to the timer.
What is meant by a closed circuit ?When electricity flows over the entire path of an electric circuit, it is said to be closed or complete.
Here,
In a closed circuit, there is no interruption to the flow of electric current through it, because each point in the path of a closed circuit are connected.
When the wire is cut from the bomb, it stopped the countdown timer. This means that, while cutting the wire, the circuit of the bomb, which was a closed electric circuit, became an open circuit.
As a result, the current flow through the circuit is blocked by the open circuit system.
Therefore, the countdown timer of the bomb stopped by cutting the wire.
Hence,
It opens the circuit so that electric charges do not flow to the timer.
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How do you forget about memories that you don’t want to remember?
Answers
Answer:
i don't know.. but it get to me every day..
Explanation:
Calculate the equilibrium pressures of no if nitrogen gas has an initial pressure of 21.76 atm and oxygen gas is initially 9.32 atm
Answers
Equilibrium pressure of NO is 3.82 atm
What is the equilibrium pressure of NO?The equilibrium pressure of NO is calculated from the equation of the reaction given below as follows:
N₂ + O₂ ⇄ 2 NO
Initial pressure of N₂ = 21.76 atm
Equilibrium pressure of N₂ = 21. 76 - x atm
Initial pressure of O₂ = 9.32 atm
Equilibrium pressure of O₂ = 9.32 - x atm
Initial pressure of NO = 0 atm
Equilibrium pressure of NO = 2x atm
Equilibrium constant = 0.050
0.050 = 2x²/(9.32 - x)(21. 76 - x)
2x² = 0.05(202.8 - 31.08x + x²)
2x² = 10.14 - 1.554x + 0.05x²
1.95x² + 1.554x - 10.14
x = 1.91 atm
2x = 3.82 atm
Therefore, equilibrium pressure of NO is 3.82 atm.
In conclusion, the equilibrium pressure is calculated from the equilibrium constant.
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Explain why the diffraction pattern of the hair appears in the horizontal direction that it does.
Answers
The diffraction pattern of the hair appears in the horizontal direction that it does because the diffraction pattern of the hair appears in the horizontal direction due to the bending and spreading of light waves around the hair.
1. When light encounters an obstacle, such as a hair, diffraction occurs. Diffraction is the bending and spreading of light waves around the obstacle.
2. The hair acts as a single slit, allowing light to pass through the narrow gap around it.
3. As the light waves pass through this gap, they interfere with each other, causing constructive and destructive interference.
4. This interference results in a diffraction pattern that appears in the horizontal direction, which is perpendicular to the direction of the hair.
5. The pattern is characterized by a series of bright and dark bands, with the bright bands representing areas of constructive interference and the dark bands representing areas of destructive interference.
In conclusion, the diffraction pattern of the hair appears in the horizontal direction due to the bending and spreading of light waves around the hair, which causes interference patterns to form perpendicular to the direction of the hair.
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What is the third step of the hydrogen fusion process? → e v energy → 2 energy → energy 6 2 → 2 energy 2v
Answers
Answer:
The third step is recombination of two Helium-3 into one nucleus of Helium with the emission of two protons.
Explanation:
hope it helps :3
What is the purpose of radio waves?
Answers
Answer:
Explanation:
The prime purpose of radio is to convey information from one place to another through the intervening media (i.e., air, space, nonconducting materials) without wires. Besides being used for transmitting sound and television signals, radio is used for the transmission of data in coded form.
if one-third of this energy goes into heat and other forms of internal energy of the motor, with the rest going to the motor output, how much torque will this engine develop if you run it at 2000 rpm ?
Answers
The torque developed by this engine is 0.368 Nm/rad
The power output of the engine, Torque and power are related by the equation:
power = torque x angular velocity
where power is measured in watts, torque in newton-meters, and angular velocity in radians per second.
Assuming we have the power output of the engine, we can use the following steps to calculate the torque at 2000 rpm:
Convert 2000 rpm to radians per second.
angular velocity = 2000 rpm x 2π/60 = 209.44 rad/s
Calculate the power output of the engine. Let's say it is P watts.
Calculate the power going to the motor output. Two-thirds of the total power goes to the motor output:
motor power = (2/3) x P
Calculate the torque using the equation:
torque = motor power / angular velocity
So, if we have the power output of the engine as P watts and run it at 2000 rpm, the torque it will develop can be calculated as:
torque = (2/3) x P / 209.44 Nm/rad
\(\tau\) = 0.368 Nm/rad
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Which of the following is true about electricity and magnetism?
The creation of an electric current or magnetic field depends on the movement of electrons.
Magnets can induce electric currents only when using the north pole of the magnet.
The free flow of protons down a copper wire causes an electric current that can create a magnetic field.
Attractive and repulsive forces between charged particles prevent them from creating electric currents or magnetic fields.
Answers
Answer: A
The creation of an electric current or magnetic field depends on the movement of electrons.
Explanation:
What is the velocity of a wave with a length of 10 m and frequency of 5hz.
Answers
The velocity of the wave is defined by the product of wavelength and frequency. The velocity of a wave with a length of 10 m and frequency of 5hz will be 50 m/sec.
What is the velocity of the wave?The velocity of the wave is defined by the product of wavelength and frequency. It is obtained from the formula of the wavelength which is given by;
\(\rm \lambda=\frac{v}{f} \\\\ \rm v = \lambda \times f \\\\ \rm v = 10 \times 5 \\\\ \rm v = 50\ m/sec\)
Hence the velocity of a wave with a length of 10 m and frequency of 5hz will be 50 m/sec.
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The chart shows data for four moving objects.
Object
Which object has the greatest acceleration?
w
x
Y
Z
Answers
Answer:
Y
Explanation:
by adding all the numbers
A charged particle moves with velocity v in a uniform magnetic field B. The magnetic force experienced by the particle is ___________.
A. Always zero
B. Zero if B and V are perpendicular
C. Zero if Band V are parallel
D. Zero if B and V are inclined at 45 degree
Answers
A charged particle moves with velocity v in a uniform magnetic field B. The magnetic force experienced by the particle is Zero if B and V are perpendicular.
The formula for magnetic force is:F = q(v×B)Where:F is the magnetic force (in Newtons),q is the charge on the particle (in Coulombs),v is the velocity of the particle (in meters per second), B is the magnetic field strength (in Tesla), and× is the vector product.
A charged particle moves with velocity v in a uniform magnetic field B. The magnetic force experienced by the particle is Zero if B and V are perpendicular. A magnetic field is a force field that surrounds magnets, moving electric charges, and current-carrying wires. The magnetic force on a charged particle is proportional to the magnetic field strength, particle velocity, and the sine of the angle between the particle velocity and the magnetic field.If the velocity of a charged particle is parallel to the magnetic field, there will be no magnetic force on it. The magnetic force on a charged particle moving in a magnetic field is always perpendicular to both the magnetic field and the particle's velocity. The formula for magnetic force is:F = q(v×B)Where:F is the magnetic force (in Newtons),q is the charge on the particle (in Coulombs),v is the velocity of the particle (in meters per second),B is the magnetic field strength (in Tesla), and× is the vector product.
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Please help me! I'll give brainliest!!!!
Why will a ban on CFCs not really produce any saved or improved lives?
Answers
Answer:
Because they have already made an impact within our atmosphere
Answer:
Go ogle
Explanation:
lol :)))))))))))))))
The heating element has a power of 2.5kW. The resistance of the heating is 17(ohms)
Calculate the current in the heating element. Give answer to 2s.f
Write any equations that you use.
Answers
Answer:
I = 12.12 A
Explanation:
P = 2.5 kw = 2500 w
formula
\(P=I^{2} R\)
\(I=\sqrt{\frac{p}{R} } =\sqrt{\frac{1500}{17} } =\sqrt{147.06} =12.12 amp\)
Hope this helps
A small canon is placed on top of a fortification the cannon ball leaves the muzzle of the canon with a speed of 85 m/s
Answers
Answer:
Speed of cannonball just before it hits the ground is 90.77 m/s
Explanation:
Complete Question
A small cannon is placed on top of a fortification. the cannonball leaves the muzzle of the cannon with a speed of 85 m/s at an angle of 25°c above the horizontal. just before the cannonball hits the ground, the vertical component of velocity is 48 m/s downward. what is the speed of the cannonball just before it hits the ground? ignore air resistance.
Solution
Given
Speed = 85 m/s
The angle = 25 degrees
When it will hit the ground, then vertical velocity = 48 m/s
However, in the projectile motion, the horizontal component will not change
Vr = V cos (theta) = 85 * cos25
Speed of cannonball just before it hits the ground is
V’ = Sqrt (48^2 + (85 * cos 25)^2) = 90.77 m/s
A bus traveled 2.5 hours in 150 km. What was its average speed?
s=d/t
v=D/t
a=(v-v.)lt
Answers
Answer:
Average speed = 60km/hr
Explanation:
Given the following data;
Time = 2.5 hrs
Distance = 150km
To find the average speed;
Average speed = distance/time
Substituting into the equation, we have
Average speed = 150/2.5
Average speed = 60km/hr
relative to the size of the planet, mercury has the largest core of any planet in the solar system. true false
Answers
The statement "Relative to the size of the planet, Mercury has the largest core of any planet in the solar system" is TRUE.
Relative to its size, Mercury has the largest core of any planet in the solar system. Mercury is the smallest planet in our solar system, but it has a relatively large core compared to its overall size. The core of Mercury is composed mostly of iron and is believed to make up about 85% of the planet's radius. This large core is thought to be a result of early differentiation during the planet's formation, where the denser materials sank to the center, leaving a relatively thin mantle and crust.
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Lithium and chlorine are described as elements,
Explain why
Answers
Lithium and chlorine are described as elements because they are pure substances that cannot be broken down into simpler substances by chemical means.
They are made up of only one type of atom, with a unique atomic number and chemical symbol. Lithium is a metal and is located in Group 1 of the periodic table, meaning it has one valence electron. It is a soft, silvery-white metal that reacts violently with water and is commonly used in batteries due to its ability to store and release energy. Chlorine is a non-metal and is located in Group 17 of the periodic table, meaning it has seven valence electrons. It is a highly reactive gas with a pungent odor and is commonly used as a disinfectant in swimming pools and drinking water. Both elements have distinct physical and chemical properties that make them important in various industries and fields of study.
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please can i have help with this question
Answers
Do electromagnetic waves require matter to travel?
Answers
Answer:
No.
Explanation:
Electromagnetic waves do not require a medium of matter to move through, electromagnetic waves are used in things like your cell phone and telecommunications.