What happens to the force of gravity if one of the masses were doubled?
What is the force would double?
100
What is the Unit for Energy?
What is Joules?
100
What is the formula for work?
What is W = F x D?
100
What is the total energy of a 65 kg person that is falling at 5 m/s when they are 3 m above the ground?
What is 2723.5 J
200
What is the formula for the Force of gravity?
What is F = Gmm/r^2?
200
What happens to the force of gravity if the distance between the two masses is doubled?
What is the force is quartered?
200
What is the form of energy related to the height of an object?
What is the potential energy?
200
How much work is done when you exert a 25N force for a distance of 15 m?
What is 375J?
200
If you drop a 5 kg toy from a height of 100m how much kinetic energy will it have at the bottom?
What is 4900J?
300
What is the Gravitational Constant G?
What is 6.67E-11
300
What happens to the force of gravity if both masses are doubled and the distance between them doubles?
What is the force stays the same?
300
What form of energy is related to the speed of an object?
What is Kinetic Energy?
300
What is the Potential Energy of a 100 kg that is at rest on a 2m tall lift?
What is 1960J?
300
A clown throws a shoe. How fast is the 0.75 kg clown shoe going if the Kinetic Energy is 2J
What is 2.3 m/s?
400
What is the force of gravity between a 75 kg man and a 100 kg man if they are separated by a distance of 0.5m?
What is 1.99E-6N?
400
What happens to the force of gravity if the distance between them is cut in half?
What is the force would quadruple?
400
How do you find the total energy?
What is PE + KE?
400
What is the kinetic energy of a 10 kg object that is moving at 10 m/s?
What is 500 J
400
How fast would a 0.25 kg derby car be going just before hitting the floor if it fell from a height of 4m?
What is 8.9 m/s?
500
What is the force between an asteroid (m= 2.5E17 kg) and the Earth (m = 5.97E24) if they are separated by 1 million meters?
What is 9.9E19 N?
500
What happens to the force of gravity if you double the distance between the masses but also triple both of the masses?
What is the force changes by 9/4?
500
The Law of Conservation of Energy says what is true about the total energy of an object?
What is the total energy always remains the same?
500
If you do 125 J of work on a 10 kg wagon, what will its speed be?
What is 5 m/s?
500
A 80 kg skydiver is 100m in the air and falling at a speed of 15 m/s. How fast will the skydiver be falling just before he hits the ground? (neglect air resistance)