The box which is pulled by a force of 9.00n moves a distance of 0.778 meters.
The work done on an object is defined as the product of the force applied on the object and the displacement caused by the force. Mathematically, work is given by:
W = F * d * cos(theta)
where W is the work done, F is the applied force, d is the displacement, and theta is the angle between the force and the displacement vectors.
In this case, the force applied on the box is 9.00 N and the work done on the box is 7.00 J. We are given the force, but not the angle between the force and the displacement vectors, so we assume that the force is applied in the direction of displacement. In this case, the angle theta is 0 degrees and cos(theta) is 1.
Thus, we can use the formula for work to calculate the displacement d:
W = F * d * cos(theta)
7.00 J = 9.00 N * d * cos(0)
Simplifying the equation, we get:
d = 7.00 J / (9.00 N * 1) = 0.778 meters
Therefore, the box was pulled a distance of 0.778 meters.
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the product of the collision frequency Z and an orientation probability factor, p, which is specific for each reaction and related to the structural complexity of the colliding particles. is called
which is specific for each reaction and related to the structural complexity of the colliding particles, is called the "collision rate constant" or "rate coefficient".
The collision rate constant represents the probability that a given collision will result in a reaction between the colliding particles. It is an important parameter in chemical kinetics, which is the study of the rates of chemical reactions and the factors that influence them.
The collision rate constant can be determined experimentally by measuring the rate of reaction as a function of the concentrations of the reactants and other conditions such as temperature and pressure. It is also often calculated theoretically using quantum chemical methods, which can provide insight into the underlying mechanisms of chemical reactions.
The collision rate constant is a key factor in determining the overall rate of a chemical reaction, and understanding its dependence on various factors is essential for predicting and controlling chemical reactions in a wide range of applications, from combustion engines to chemical synthesis.
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Pls help it’s due today
Explanation:
so I think it B hope that I helped you can good lick
friction and normal force are examples of
Answer:
Friction is a force that tends to oppose the relative motion between two bodies in contact. Frictional force always acts on a moving body from the direction opposite to the direction of motion. It opposes the motion, and therefore, helps to reduce the speed of the moving object. It is a contact force.
the science club wants to create a habitat area for monarch butterflies on a vacant hillside across from the athletic field. the students are planning to use a large slingshot to launch seed bombs packed with milkweed seeds horizontally over the fence into an approved site within a range of 10-20 m away. on the field, the students use a radar gun to measure the initial velocity of the seed packets at 12 m/s. if the students stand on a platform so that the slingshot is 2.9 m off the ground, will the seed bombs reach the approved site?(1 point)
Based on the information provided, let's calculate if the seed bombs will reach the approved site. The initial velocity of the seed packets is 12 m/s and the range of the approved site is between 10-20 m away.
To determine the time it takes for the seed bombs to reach the approved site, we can use the formula:
Time = Distance / Velocity
Let's calculate the time it takes for the seed bombs to reach the approved site when launched at the maximum range of 20 m:
Time = 20 m / 12 m/s = 1.67 seconds
Now, let's calculate the maximum height reached by the seed bombs when launched at a 2.9 m height:
Maximum height = (Initial velocity^2) / (2 * Acceleration due to gravity)
Acceleration due to gravity is approximately 9.8 m/s^2.
Maximum height = (12 m/s)^2 / (2 * 9.8 m/s^2) = 7.35 m
Since the seed bombs reach a maximum height of 7.35 m and the approved site is 2.9 m off the ground, the seed bombs will reach a total height of 10.25 m. Therefore, the seed bombs will clear the fence and reach the approved site, which is within a range of 10-20 m away.
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calculate the average force on the person if he is stopped by a padded dashboard that compresses an average of 1.00 cm. calculate the average force on the person if he is stopped by an air bag that compresses an average of 15.0 cm.
The average force on the person if they are stopped by an airbag that compresses an average of 15.0 cm is approximately 70,000 N.
To calculate the average force on a person,
Average force = (change in momentum) / (time interval)
Assuming that the person's initial velocity is constant, we can simplify the formula to,
Average force = (mass of the person) x (change in velocity) / (time interval)
Now, let's consider the two scenarios,
Stopped by a padded dashboard that compresses an average of 1.00 cm:
Assuming the person's initial velocity is known and constant, we need to know the time interval it takes for the person to stop after hitting the dashboard. Without this information, we cannot calculate the average force.
Stopped by an airbag that compresses an average of 15.0 cm:
The time interval for an airbag to deploy and cushion the person's impact is typically very short (about 0.03 seconds), so we can assume that the time interval is negligible in this case. Therefore, we can use the simplified formula above.
Let's assume the mass of the person is 70 kg and their initial velocity is 30 m/s. The change in velocity is the final velocity (0 m/s) minus the initial velocity (30 m/s), which is -30 m/s. The negative sign indicates that the person's velocity is decreasing.
Using the formula,
Average force = (mass of the person) x (change in velocity) / (time interval)
= (70 kg) x (-30 m/s) / (0.03 s)
= -70,000 N
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What do you call the shot that starts on the right side and continues through to the left
side for a right handed player?
Answer:
When a right-handed golfer’s tee shot curves to far to the left, the shot is described as a “hook.” This shot typically occurs when the club head moves across the ball from left to right, imparting side-spin on the ball
an amusement park ride has two identical carriages that revolve around the center of the ride’s axle, as shown in the figure. both carts travel at a constant tangential speed at all points along the circular path. at what position is the total mechanical energy of the cart-cart-earth system at its maximum value?
The principle of conservation of energy allows to find the result for the mechanical energy of the system is:
Mechanical energy is conserved at all points, therefore at all points it has the same value.
Mechanical energy is defined by the sum of the kinetic energy and the potential energies.
Em = K + U
In the principle of energy conservation, it establishes that energy cannot be created or destroyed, it is only transformed, in the case of no friction, mechanized energy is conserved at all points.
They indicate that the system is rotating, which is why it is subjected to a force that expends its energy in changing the direction of the speed to keep the system in rotation, so the speed of the system remains constant.
Em = K = ½ I w²
Consequently, using the principle of conservation of energy we can find the result for the mechanical energy of the system is:
Mechanical energy is conserved at all points, therefore at all points it has the same value.
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I’m in 8th grade and don’t know how to find m/s^2. Or acceleration from Force and mass can someone help me.
A table exerts a force on the ground. The ground exerts
A. no force on the table
B. a greater and opposite force on the table
C. an equal and opposite force on the table
D. a lesser an opposite force on the table
Answer:
hey from what I know the answer is C
Explanation:
When a book is kept on a table , weight (gravitational force) of book acts on table vertically downwards and as a reaction of weight , table also exerts an equal and opposite ( upward) force on book .
Which describes an image that a concave mirror can make? Which describes an image that a concave mirror can make?
Answer: The image can be either virtual or real.
Answer:
the image can be rather real or virtual
Which potatoes when peeled produce the most peelings?
A. 10 kg of large potatoes
B. 10 kg of small potatoes
C. They both produce the same amount
Assuming that both types of potatoes have the same skin-to-flesh ratio, 10 kg of small potatoes would produce more peelings than 10 kg of large potatoes.
This is because small potatoes have a higher surface area-to-volume ratio than large potatoes, so there is more skin per unit weight. As a result, more peelings would be produced when peeling small potatoes compared to large potatoes.
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What is the density of a piece of driftwood that has a mass of 25 grams and a volume of 30 cm³
A piece of driftwood has a calculated density of 0.83 g/cm3.
The kilogram per cubic meter (kg/m3) is the SI unit used to measure density.
The measure of how tightly a material is packed together is called density. As the mass per unit volume, it has that definition.
The formula density = mass / volume (mass=25 grams, volume=30 cm3, density=25/30 = 0.83 g/cm3) can be used to solve the issue.
Density equals mass per unit volume, or D = M / V, is the density equation. Reporting the correct mass and volume units is essential when trying to solve for density. we must convert the units if we are asked to offer density in something other than mass and volume.
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Which of these statements partly define law?
A) Is about how something behaves in the natural world
B) is a possible answer to a scientific question based on research
C) is a widely excepted explanation that combine several hypothesis
D) involves asking a question and performing investigation
Answer:
D
Explanation:
im guessing here i hope it is correct and good luck
The most economical sources for electricity in remote locations would be
Solar and Wind Electricity Production.
Petroleum and Nuclear-produced Electricity.
Tidal and Biomass-fuel Electricity.
Hydrogen Fuel Cells and Biomass.
The most economical sources for electricity in remote locations would be solar and wind electricity production.
What is Solar Electricity Production?Solar power is the process of converting sunlight into electricity using photovoltaic (PV) cells or panels. The photovoltaic effect, discovered by French physicist Edmond Becquerel in 1839, converts sunlight into electricity.
Solar panels generate direct current (DC) electricity when exposed to sunlight. The current is transferred to an inverter, which converts the DC electricity to alternating current (AC) electricity, which is used in homes and buildings.
What is Wind Electricity Production?Wind energy is a type of renewable energy generated by the movement of the wind. Wind turbines are used to convert wind energy into electricity. Wind energy is the most commonly used renewable energy source, accounting for around 5% of all electricity generated worldwide. Wind turbines can be installed on land or offshore, depending on the location.
In conclusion, solar and wind electricity production are the most economical sources for electricity in remote locations.
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For this object, what color will you observe?
Answer:
blue
Explanation:
blue is the only color being reflected, meaning it's the only one that will be visible
What sort of force is magnetism?
pls help ASAP :)
no links pls
Answer:
Magnetism is one aspect of the combined electromagnetic force. It refers to physical phenomena arising from the force caused by magnets, objects that produce fields that attract or repel other objects.
Which material held its heat longer?
Zeolite thermal storage held its heat longer.
or it can be water also
There is a vector A with magnitude 5 units pointing toward west, and a
vector B with magnitude 3 units pointing toward south. Using vector
addition, what is the magnitude of the resultant vector?
There is a vector a with a magnitude of 5 units pointing toward the west and a vector B with a magnitude of 3 units pointing toward the south. Using vector addition, the magnitude of the resultant vector would be 5.83 units.
What is a vector quantity?The quantities that contain the magnitude of the quantities along with the direction are known as the vector quantities.
While the scalar quantities do not contain the information of the direction they only have a magnitude of the quantity measured.
As given in the problem vector a with a magnitude of 5 units pointing toward the west and a vector B with a magnitude of 3 units pointing toward the south.
By using the triangle law for the vector addition,
Resultant = √(3² + 5²)
= 5.83 units
Thus, the magnitude of the resultant vector would be 5.83 units.
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Explain what is happening when the girl is at each point. **The girl has started at 1 and goes to 4.
a convex mirror, like the passenger-side rearview mirror on a car, has a focal length of -2.8 m . an object is 5.6 m from the mirror.you may want to review (pages 585 - 587) .part ause ray tracing to determine the location of its image. how far is the image from the mirror? input positive value if the image is on the same side from the mirror as an object and negative if the image is on the other side.
The image is located 2.8 meters from the mirror, on the same side as the object (indicated by the negative sign).
To determine the location of the image formed by a convex mirror with a focal length of -2.8m, we need to use ray tracing. Draw a ray from the object parallel to the principal axis, which will reflect off the mirror and pass through the focal point. Draw a second ray from the object towards the center of curvature, which will reflect back on itself.
Step 1: Plug in the given values:
1/(-2.8) = 1/5.6 + 1/di
Step 2: Calculate the reciprocal of the object distance and the focal length:
-1/2.8 = 1/5.6 + 1/di
Step 3: Subtract the reciprocal of the object distance from the reciprocal of the focal length:
-1/2.8 - 1/5.6 = 1/di
Step 4: Find the common denominator and simplify the fraction:
-2/5.6 = 1/di
Step 5: Take the reciprocal of both sides to find the image distance:
di = -5.6/2
Step 6: Simplify the fraction to get the image distance:
di = -2.8 m
The image is located 2.8 meters from the mirror, on the same side as the object (indicated by the negative sign).
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in electroplating the object to be electroplated is placed _____
In electroplating the object to be electroplated is placed electrolyte.
In the process of electroplating, the object to be electroplated is immersed in a salt solution known as the electrolyte. This electrolyte contains ions of the metal that will form the coating. It is composed of a solvent and the metal salt.
To initiate the electroplating process, the object to be plated is connected to the negative terminal of a power source, while a metal electrode made of the coating metal is connected to the positive terminal. This setup creates an electric circuit.
During electroplating, the anode serves as the source of metal ions that will be deposited onto the object. The anode is connected to the positive terminal of the power supply. When the power supply is turned on, an electric current passes through the electrolyte.
As the current flows, metal ions are released from the anode and migrate towards the object to be electroplated. The metal ions are attracted to the object due to the opposite charges—the positive metal ions are drawn to the negative object.
Upon reaching the surface of the object, the metal ions undergo reduction, where they gain electrons and transform into metal atoms. These metal atoms then bond together, forming a thin layer of the coating metal on the surface of the object.
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The object the gives up electrons becomes ____ charged
Answer:
Negitive
Explanation:
Electrons have a negitive charge, protons have a positive charge, and neutrons have no charge.
A 50-cm long spring is suspended from the ceiling. A 290 g mass is connected to the end and held at rest with the spring unstretched. The mass is released and falls, stretching the spring by 22 cm before coming to rest at its lowest point. It then continues to oscillate vertically. What is the spring constant? What is the amplitude of the oscillation? What is the frequency of the oscillation?
Answer:
Explanation:
a) Spring Constant
b) Amplitude of the oscillation
c)Frequency o the oscillation
at what time t after the switch is closed is the voltage across the capacitor equal to 10.0 v ? express your answer to two significant figures and include the appropriate units.
The time (t) required for the voltage across the capacitor to reach 10.0 V after the switch is closed can be determined using the time constant of the circuit. The answer will be expressed with two significant figures and the appropriate units.
In an RC circuit, the voltage across the capacitor (Vc) as a function of time (t) can be described by the equation:
Vc(t) = V₀ * (1 - \(e^{-t/RC}\))
where V₀ is the initial voltage across the capacitor, R is the resistance in the circuit, C is the capacitance of the capacitor, and e is the base of the natural logarithm.
To find the time at which the voltage across the capacitor equals 10.0 V, we need to solve the equation Vc(t) = 10.0 V for t.
Since the question doesn't provide specific values for R and C, we cannot calculate an exact time. However, we can discuss the general concept. In an RC circuit, the time constant (τ) is defined as the product of the resistance and capacitance, τ = RC.
The time constant represents the time it takes for the voltage across the capacitor to reach approximately 63.2% of its final value.
To estimate the time at which the voltage reaches 10.0 V, we can consider that it would take around 5 time constants for the voltage to approach its final value. Therefore, the approximate time (t) would be 5 times the time constant (τ).
However, without knowing the specific values of R and C, we cannot provide an exact numerical answer. It is essential to know the resistor and capacitor values to calculate the time accurately.
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1) Compare the two beakers that contain water. Which of these
statements is NOT true if the beaker on the left represents an open
system
A)
Evaporation can occur.
B) All the energy remains in the system.
C) Water molecules leave the system.
D) The net movement of molecules is out of the water.
Answer:
b
Explanation:
b) all energy remains in the system the surface is open which means this is false
Force=k((q1q1)/r^2)
The force that one electrically charged object exerts on other charged objects can be calculated using Coulomb's law.
You can see this law here written in equation form. The q's represent the two charges, and the r the distance between
the charges. The constant kis 9109
Using this information, calculate the electric force exerted by a +2 coulomb charge on another +2 coulomb charge,
when the charges are 25 meters apart
A)1.44*10^11
B)5.76*10^11
C)8 Newton’s
D)64 Newton’s
Answer:
transferred from one object to another. Charged objects can exert forces on other charged ... Electric charge can be measured using the law for the forces between charges
The electric force exerted by the +2 C on another +2 C when at a distance of 25 m is 5.76×10⁷ N
Coulomb's law equationF = Kq₁q₂ / r²
Where
F is the force of attraction K is the electrical constant q₁ and q₂ are two point charges r is the distance apart How to determine the force Charge 1 (q₁) = 2 CCharge 2 (q₂) = 2 CElectric constant (K) = 9×10⁹ Nm²/C²Distance apart (r) = 25 mForce (F) =?F = Kq₁q₂ / r²
F = (9×10⁹ × 2 × 2) / (25)²
F = 36×10⁹ / 625
F = 5.76×10⁷ N
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Which of the following is equal to the area under a velocity-time graph?
A. Velocity
B. Displacement
C. Acceleration
D. Force
PLEASE HELP
Answer:
B. Displacement
Explanation:
The area under a velocity time graph is equal to the displacement of objects.
pls help i don't understand
Answer:
D
Explanation:
First, we have to divide 18 by x
Then multiply it by y
And the result is 18
In fish BB-blue, BW-blue with white stripes, WW-white. Cross a white fish with a fish with blue and white stripes. What is the probability of having white fish offspring?
Answer: Juvenile fish go through various stages between birth and adulthood. When they have developed to the point where they are capable of feeding themselves, the fish are called fry. When, in addition, they have developed scales and working fins, the transition to a juvenile fish is complete and it is called a fingerling.
How do general trends of the graph compare? How does the actual change in sea height compare?
A diagram or pictorial representation that organizes the depiction of data or values is known as a graph.
Thus, The relationships between two or more items are frequently represented by the points on a graph. Here, for instance, we can plot a graph showing the type and quantity of school supplies used by pupils in a class based on the data provided below.
A non-linear data structure made up of vertices and edges is called a graph.
In a graph, the edges are the lines or arcs that link any two nodes, while the vertices are occasionally also referred to as nodes. A graph is more precisely made up of a collection of vertices (V) and a set of edges (E). The graph's symbol is G(E, V).
Thus, A diagram or pictorial representation that organizes the depiction of data or values is known as a graph.
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