A capacitor with a capacitance 30 mF is charged by a 12-volt battery. If the same capacitor is charged by a 6-V battery, its capacitance will be O 30 mF 60 mF O 15 mF None of the listed choices are correct.

Q: a fire fighting vehicle of mass 12,000 kg is at rest but free to roll with no resistance. if you…

A: The expression for the momentum in terms of force,

Q: A 4 kg ball moving to the right at 5 m/s hits a wall and bounces to the left at 3 m/s what is its…

A: Given that, Mass of a ball, m = 4 kg The initial speed of the ball, u = 5 m/s (positive for right…

Q: A 4 kg block requires 6 m to slide to a stop.If the force of friction was 22 N, what was the initial…

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Q: If a 6 kg mass is dropped from a height of 10 meters, what is the velocity of the mass right before…

A: In the given question the mass of the mass is given is 6kg and height is also given 10 meter from…

Q: the weight in newtons of 300 g of grapes on the earth is?

A:

Q: What is the momentum of a bowling ball with mass 5kg and velocity 10 m/s

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Q: Ten seconds after starting from rest, a freely falling object will have a speed of about what?

A: Given,Acceleration of gravity, g = 9.81 m/s2Time of free fall, t = 10 sInitial velocity, u = 0

Q: hockey puck that has a mass of 170 g travels with a speed of 30 m/s. What is the momentum…

A: Mass of object is m=170 g Velocity of object is v=30 m/s Note: 1 kg=1000 g Find: Momentum of object.

Q: force is required

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Q: What force is needed to accelerate a 1900 kg car at one-third of g?

A: given :- mass of car m=1900 kg  acceleration due to gravity=g= 9.8 m/s2  acceleration of car a=…

Q: What breaking force is needed to stop a 1200 kg train moving at 25 m/s in a time of 2 seconds?

A: Given data: Mass of the train m =1200kg Speed v= 25 m/s Time t= 2 seconds

Q: How much force is required to bring a car of mass 1,273 kg, initially traveling at 28 m/s, to rest…

A: Given mass of the car = 1273 kg initially velocity = 28 m/s  Final velocity = 0 m/s (at rest)  time…

Q: How much force does it take to bring 1,425 N car from rest to a velocity of 28 m/s in 13 seconds

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Q: A 9 kg ball is thrown at 6 m/s.  What is the ball's momentum?

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Q: An object of mass 10 kg moving at a speed of 5 m/s collides with a ball of mass 4 kg moving in the…

A: To solve the question, we need to find the speed of the 2nd ball after the collision. Using the…

Q: A car begins from rest and reaches a speed of 20 m/s in 5 seconds. The acceleration of the car is…

A: Given data:  Initial velocity (u) = 0 m/s Final velocity (v) = 20 m/s Time (t) = 5 s Required:…