A spring has natural length 27 cm. Compare the work (in J) W, done in stretching the spring from 27 cm to 37 cm with the work (in J) W, done in stretching it from 37 cm to 47 cm. (Usek for the spring constant.) W, = w, = How are W, and W, related? W2 = (

Q: A 5500 kg railcar hits a bumper (a spring) at 1.3 m/s, and the spring compresses by 0.06 m. Assume…

A:

Q: An object thrown downward from a 500-m cliff travels 57.2 m in 3 sec. What was the initial velocity…

A: We have to find the initial velocity of the object.

Q: Work of 4 Joules is done in stretching a spring from its natural length to 12 cm beyond its natural…

A: