Physics Spring Final Review Pt 2

A girl pushes a 20 Kg cart through the a building 5 m with a force 5 N. How much work is accomplished?

• 100 J

• 25 J

• 4 J

• 500 J

An object has 15 Kg*m/s of momentum and a mass of 5 Kg. What is the objects velocity

• 75 m/s

• 5 m/s

• 3 m/s

• 15 m/s

What is the power of a 20V bulb with 5A through it?

• 100W
• 100V
• 6.3W
• 6.3A

What is the potential energy of a 20 Kg car moving 65 m/s on level ground?

• 42, 250 J

• 84, 500 J

• 0 J

• 9.8 J

An object has 15 Kg*m/s of momentum and a mass of 5 Kg. What is the objects velocity

• 75 m/s

• 5 m/s

• 3 m/s

• 15 m/s

A girl pushes a 20 Kg cart through the a building 5 m with a force 5 N. How much work is accomplished?

• 100 J

• 25 J

• 4 J

• 500 J

A car stops with a force 42 N in 6 sec. What is the velocity of the 36 Kg car?

• 1.0 m/s

• 1.3 m/s

• 7.0 m/s

• 252.0 m/s

A bug is flying through the countryside. The bug flies into a sign with a force of 200 N that takes 0.02 secs to crush it. What is the impulse?

• 10, 000 N*s

• 4 N*s

• 200 N*2

• 0.08 N*s

Ana, has a mass of 105 kg, is walking up a set of stairs that are 5 meters high. What is Ana's work?

• 105 N

• 4425 J

• 1195.9 J

• 5145 J

A student needs 10 Newtons of force to lift a box to the top of a 2 meter shelf. How much work do they do?

• 12 J

• 8 J

• 20 J

• 5 J