What is the minimum time of supervised driving you must have with your Special Learner's Permit before you can get a Probationary Driver License?

Answer:

True

Explanation:

(a) The efficiency of the PV panel can be calculated using the formula:Efficiency = (Power output / Power input) × 100Where,Power output = The power generated by the PV panel (300 W in this case)Power input = The solar insolation (1000 W/m2 in this case) × Area of the panel (2.0 m2 in this case)Efficiency = (300 / (1000 × 2)) × 100= 15%

(b) The total power generated by 10 pieces of 300 W PV panels is given as:Total power = Power of 1 panel × Number of panels= 300 × 10= 3000 WPeak sun hours in Wyoming = 3.2 hours Therefore, the total energy produced daily is given as:Energy produced = Total power × Peak sun hours= 3000 × 3.2= 9600 Wh or 9.6 kWh(c) The energy produced by the PV panel is given as:Energy produced = Power output × Time= 300 × 3.2 × 50/100= 48 kWh= 48,000 Wh= 48,000 / 3.6 × 106 kWh= 0.013 kWh or 13 Wh Weight of 1 gallon of water = 4.546 × 1 = 4.546 kg Mass of water = Volume × Density= 4.546 × 15 = 68.19 kg= 68.19 / 1 = 68.19 liters

Heat required to increase the temperature of 1 liter of water from 15°C to 55°C is given as:Heat = mass × specific heat capacity × temperature rise= 1 × 4.18 × (55 - 15)= 209.2 JHeat required to increase the temperature of 68.19 liters of water from 15°C to 55°C is given as:Heat = 68.19 × 209.2 J= 14,250 J or 0.01425 kWh Energy produced by the PV panel is 0.013 kWh Therefore, the number of gallons of water that can be heated up is given as:Number of gallons = Energy produced / Heat required= 0.013 / 0.01425= 0.91 gallons Therefore, the PV panel can supply to heat up 0.91 gallons of water from 15°C to 55°C.

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Answer:

F(m)= mg(m)

m=F(m)/g(m)=72/1.6=45kg

F(e)= mg(e)= 45 x 10 m/s= 450N

Answer: Both the north and south pole

Answer:

20mA

Explanation:

because it is connected in series with the ammeter

The current through the 40Ω resistor in the given circuit is 20mA, which is explained below.

The volate across resistor R is 1V, as indicated by the voltmeter.

Since the potential of the battery is 3V, according to Kirchoff's voltage law, the voltage drop across 20Ω resistors must be 1V each since they are indentical.

Let a total current I passes through 20Ω resistor as it is connected to the battery in series. From Ohm's law:

20Ω × I = 1V

I = 50mA

Now the current indicated by the ammeter is 20mA which splits according to the reistors of 15Ω and 30Ω which are connected in parallel. Then again the current adds up to 20mA when leaving the set of parallel resistors, through the 40Ω resistor.

So the current through the 40Ω resistor is 20mA

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Answer:

hakdog

Explanation:

hatdogjsjshshs

Answer: A.

Explanation:

took the test just now

A battery supplies electrical energy to a circuit Chemical reactions in a battery cause positively and negatively charged particles to separate and become concentrated at the battery terminals. The correct option is A.

A chemical reaction is a process in which one or more substances, also known as reactants are converted to one or more different substances, known as products. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products

Chemical reactions in a battery cause positively and negatively charged particles to separate and become concentrated at the battery terminals resulting in the transformation into electrical energy therefore the correct option is A.

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Answer:

1. Voltage across 600 pF is 10 V.

2. Voltage across 300 pF is 20 V.

3. Voltage across 200 pF is 30 V.

Explanation:

We'll begin by calculating the total capacitance of capacitor. This can be obtained as follow:

Capicitance 1 (C₁) = 600 pF

Capicitance 2 (C₂) = 300 pF

Capicitance 3 (C₃) = 200 pF

Total capacitance (Cₜ) =?

1/Cₜ = 1/C₁ + 1/C₂ + 1/C₃

1/Cₜ = 1/600 + 1/300 + 1/200

1/Cₜ = 1 + 2 + 3 / 600

1/Cₜ = 6/600

1/Cₜ = 1/100

Cₜ = 100 pF

Next, we shall convert 100 pF to Farad (F). This can be obtained as follow:

1 pF = 1×10¯¹² F

Therefore,

100 pF = 100 pF × 1×10¯¹² F / 1 pF

100 pF = 1×10¯¹⁰ F

Thus, 100 pF is equivalent to 1×10¯¹⁰ F.

Next, we shall determine the charge. This can be obtained as follow:

Voltage (V) = 60 V

Capicitance (C) = 1×10¯¹⁰ F

Charge (Q) =?

Q = CV

Q = 60 × 1×10¯¹⁰ F

Q = 6×10¯⁹ C

1. Determination of the voltage across 600 pF.

Capicitance 1 (C₁) = 600 pF = 6×10¯¹⁰ F

Charge (Q) = 6×10¯⁹ C

Voltage 1 (V₁) =?

Q = C₁V₁

6×10¯⁹ = 6×10¯¹⁰ × V₁

Divide both side by 6×10¯¹⁰

V₁ = 6×10¯⁹ / 6×10¯¹⁰

V₁ = 10 V

2. Determination of the voltage across 300 pF.

Capicitance 2 (C₂) = 300 pF = 3×10¯¹⁰ F

Charge (Q) = 6×10¯⁹ C

Voltage 2 (V₂) =?

Q = C₂V₂

6×10¯⁹ = 3×10¯¹⁰ × V₂

Divide both side by 3×10¯¹⁰

V₂ = 6×10¯⁹ / 3×10¯¹⁰

V₂ = 20 V

3. Determination of the voltage across 200 pF.

Capicitance 3 (C₃) = 200 pF = 2×10¯¹⁰ F

Charge (Q) = 6×10¯⁹ C

Voltage 3 (V₃) =?

Q = C₃V₃

6×10¯⁹ = 2×10¯¹⁰ × V₃

Divide both side by 2×10¯¹⁰

V₃ = 6×10¯⁹ / 2×10¯¹⁰

V₃ = 30 V

Answer:

yes!

Explanation:

Answer:

yes!!

Explanation:

A race car is moving at a constant speed around a track. The race car is changing its velocity as the direction of motion changes.

The primary indicator of an object's position and speed is its velocity. It is the distance that an object travels in one unit of time. The displacement of the item in one unit of time is the definition of velocity.

The rate at which a body's displacement changes in relation to time is known as its velocity. Velocity is a vector quantity with both magnitude and direction. SI unit of velocity is meter/second.

As the race car is moving at a constant speed around a track, the magnitude of velocity remains same but during race it may changes its direction of motion, that is why, velocity of it, which depends on both magnitude and direction, may changes.

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Answer:

с

creates its own light, which is blocked by the Sun during an eclipse.

Explanation:

might not be right but its what i remember

There is a net force on the truck" is true about the forces acting on the truck.

The electric field strength of a 1 n C positive charge can be measured using an e-field sensor.

Electric field strength is the measure of the force acting per unit charge.

It is defined as the amount of force acting on a charge per unit charge.

The electric field is a vector quantity having both magnitude and direction.

An e-field sensor is a device used to measure the strength of an electric field produced by a charged object. The electric field strength of a 1 n C positive charge can be measured using an e-field sensor.

The sensor detects the electric field produced by the charge, and the strength of the field can be calculated by measuring the force acting on the charge. The strength of the electric field can be measured in units of volts per meter (V/m).

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The speed of the first car is 52 mph.

The speed of the second car is 40 mph.

Let's use "x" mph to represent the second car's speed. We can express the first car's speed as "x + 12" mph because it is 12 mph faster. According to our knowledge, the first car travelled 234 miles, while the second car covered 180 miles.

The relationship between speed and distance travelled is inversely proportional. As a result, the proportion of distances covered by the two vehicles will match the proportion of their speeds:

234 / 180 = (x + 12) / x

To solve this equation, we can cross-multiply:

234x = 180(x + 12)

Expanding the equation:

234x = 180x + 2160

Rearranging terms:

234x - 180x = 2160

54x = 2160

Dividing both sides by 54:

x = 40

Therefore, the speed of the second car is 40 mph.

To find the speed of the first car, we can substitute the value of x back into the expression "x + 12":

x + 12 = 40 + 12 = 52

Hence, the speed of the first car is 52 mph.

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When seismic waves pass from a shallower to deeper rock layer, the velocity of the waves increases.

As seismic waves travel through the Earth's crust, they encounter different types of rock and other materials that can affect their velocity. In general, seismic waves travel faster through more dense and rigid materials, and slower through less dense and more elastic materials.

The increase in velocity when seismic waves pass from a shallower to deeper rock layer can cause the waves to refract or bend, which can have important implications for seismic imaging and the interpretation of earthquake data.

For example, if seismic waves encounter a steeply dipping rock layer as they pass from a shallower to deeper layer, the waves may refract and create a pattern of interference known as an "echo" or "ghost" reflection. This effect can make it difficult to accurately locate seismic sources and interpret the structure of the Earth's crust.

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Answer:

gas

................

Explanation:

hope it helps u

Conductivity and ductility are properties of metals that determine their ability to conduct electricity and be molded into different shapes, respectively.

Conductivity refers to a metal's ability to conduct electricity. Metals are known for their high conductivity, meaning they allow electricity to flow through them easily. This property is due to the fact that metals have free electrons in their outer shell, which are free to move and carry an electrical charge. The conductivity of a metal can be affected by its temperature and impurities, as well as its atomic structure. Ductility, on the other hand, refers to a metal's ability to be stretched or drawn into a wire without breaking. This property is due to the way the atoms in a metal are arranged and the way they interact with each other. Ductile metals are malleable, meaning they can be bent, shaped, and molded without breaking. Metals with high ductility are ideal for shaping into wire, pipes, and other products that require flexibility and strength. In summary, conductivity and ductility are important properties of metals that determine their ability to conduct electricity and be shaped into various forms.

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The speed of the block is π m/s, and the tension in the string is 2.35 N.

we can use the equation for the centripetal force on a object moving in a circle:

F_c = (mv²)/r

where F_c is the centripetal force, m is the mass of the object, v is its velocity, and r is the radius of the circle.

In this case, the only force acting on the block is the tension in the string, so we have:

F_t = F_c = (mv²)/r

where F_t is the tension in the string.

To find the speed of the block, we can use the equation for the circumference of a circle:

C = 2πr

where C is the circumference and r is the radius. We know that the block travels around the circle once every second (since it is moving at 60 rpm), so its velocity is:

v = C/T = 2πr/T

where T is the time for one revolution. Since T = 1 s, we have:

v = 2π(0.5 m) = π m/s

To find the tension in the string, we can substitute our expression for v into our equation for F_t:

F_t = (mv²)/r = (0.3 kg)(π m/s)²/(0.5 m) = 2.35 N

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Answer:

These two groups of planets are separated by the asteroid belt, a disk of small rocky bodies orbiting the sun between Mars and Jupiter.

Explanation:

Your welcome!

If the energy is conserved the kinetic energy will be equal to the potential energy and the height for that point with a speed of 6 m/s will be 1.83 m.

Energy conservation is what?

The law of energy conservation states that neither the creation nor destruction of energy is possible. As a result, a system's overall energy will be preserved. The two forms of energy can, however, be converted from one to the other.

When an object is still, the energy it has stored is potential energy; once it begins to move, it acquires kinetic energy.

If a body is moving, its potential energy is equal to its kinetic energy if energy conservation holds true.

Hence, mgh = 1/2 m v²

therefore, h = 1/2g  v²

Given that velocity of the ball = 6 m/s

acceleration due to gravity g = 9.8 m/s².

Then, the height h = 1/2 6² /9.8 m/s² = 1.83 m

Therefore, the height of the ball at which all energy is conserved is 1.83 m.

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Answer:

Applications of Gravitational Force:

The minimum size of the equipment grounding conductor for a feeder protected by a 4,000-ampere circuit breaker would be 2/0 AWG for both aluminum and copper-clad aluminum conductors, based on the NEC guidelines.

To determine the minimum size of the equipment grounding conductor for a feeder protected by a 4,000-ampere circuit breaker, we need to refer to the National Electrical Code (NEC) guidelines. The NEC provides specific requirements for conductor sizing based on the maximum overcurrent protection device (OCPD) rating.

According to the NEC, the minimum size of the equipment grounding conductor for an aluminum or copper-clad aluminum conductor is determined by Table 250.122. This table specifies the minimum size based on the rating of the OCPD.

For a 4,000-ampere circuit breaker, we locate that value in Table 250.122, which directs us to a minimum grounding conductor size of 2/0 AWG for aluminum conductors or copper-clad aluminum conductors.

Therefore, the minimum size of the equipment grounding conductor for a feeder protected by a 4,000-ampere circuit breaker would be 2/0 AWG for both aluminum and copper-clad aluminum conductors, based on the NEC guidelines.

It's worth noting that local electrical codes and regulations may have additional requirements or variations, so it's essential to consult the relevant authorities and applicable codes in your specific jurisdiction for precise guidance.

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Answer:

hope this will help you

have a great day

A rocket is launching upwards. The force acting on the rocket to move upward is F. The forces acting opposite to thrust are weight and drag force. The drag force is due to the air resistance. In order to move upwards the thrust force must be greater than weight and drag force. Figure shows the free body diagram of rocket at the time of launching.There are only three forces: weight (always present), thrust (provided from the rocket’s engines to lift it up) and air resistance (said specifically to be not negligible). There are no horizontal forces.

Answer:

 An amp is one C of charge per second, two minutes is 120 seconds. So current is 10 C/120 sec which is 1/12 th of an Amp. 

Answer:

m= 5.60kg

Explanation:

∑F = m*a

m = ∑F/a; a = Δv/Δt

m = ΣF/(Δv/Δt)

m = (62N)/((5.2m/s)/(0.47s))

m = 5.60kg

A satellite orbits Earth at an altitude of 11200 km. this equation gives us T = 6.5 hours. Therefore, the correct answer is option 5) 6.5 h is its orbital period.

To determine the orbital period of the satellite, we need to use Kepler's third law, which states that the square of the orbital period is proportional to the cube of the semi-major axis (distance between the center of the Earth and the satellite).

First, we need to convert the altitude of the satellite (11200 km) to the semi-major axis (a). The semi-major axis is equal to the sum of the Earth's radius (6371 km) and the altitude of the satellite (11200 km), which is 17571 km.

Now, we can calculate the orbital period (T) using the formula: T^2 = (4π^2/ GM) x a^3, where G is the gravitational constant (6.67 x 10^-11 Nm^2/kg^2) and M is the mass of the Earth (5.97 x 10^24 kg).

Plugging in the values, we get: T^2 = (4π^2/ 6.67 x 10^-11 x 5.97 x 10^24) x (17571 x 10^3)^3

Simplifying this equation gives us T = 6.5 hours, which is one of the choices in the multiple-choice question. Therefore, the correct answer is 6.5 h.

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Explanation:

lower number of atoms and gram

brainliest expected and your welcome

Answer:

low atomic mass

high thermal energy

low kinetic energy

low number of atoms per gram