Physics equations/07-Work and Energy/Q:cart2/More practice

1

The spring constant is 628 N/m, and the initial compression is 0.176 m What is the mass if the cart reaches a height of 1.86m before coming to rest?

a) 0.3 kg
b) 0.35 kg
c) 0.4 kg
d) 0.46 kg
e) 0.53 kg

2

The cart has a mass of 3.23 kg. It is moving at a speed of 2.03 m/s when it is at a height of 2.92 m. If the spring constant was 471 N/m, what was the initial compression?

a) 0.43 meters.
b) 0.49 meters.
c) 0.56 meters.
d) 0.65 meters.
e) 0.75 meters.

3

You are riding a bicycle on a flat road. Assume no friction or air drag, and that you are coasting. Your speed is 5.473 m/s when you encounter a hill of height 1.373 m. What is your speed at the top of the hill?

a) 1.22 m.
b) 1.48 m.
c) 1.74 m.
d) 2.01 m.
e) 2.27 m.

4

The spring constant is 792 N/m, and the initial compression is 0.192 m What is the mass if the cart reaches a height of 1.58m before coming to rest?

a) 0.94 kg
b) 1.08 kg
c) 1.25 kg
d) 1.43 kg
e) 1.65 kg

5

The cart has a mass of 3.17 kg. It is moving at a speed of 2.18 m/s when it is at a height of 2.77 m. If the spring constant was 534 N/m, what was the initial compression?

a) 0.34 meters.
b) 0.39 meters.
c) 0.45 meters.
d) 0.51 meters.
e) 0.59 meters.

6

You are riding a bicycle on a flat road. Assume no friction or air drag, and that you are coasting. Your speed is 5.232 m/s when you encounter a hill of height 1.281 m. What is your speed at the top of the hill?

a) 1.05 m.
b) 1.28 m.
c) 1.51 m.
d) 1.73 m.
e) 1.96 m.

Category:Physics equations#07-Work%20and%20Energy/Q:cart2/More%20practice%20
Category:Physics equations