A wave with a frequency of 60 Hz travels along a slinky. If the distance between SUCCESSIVE
compressions is 0.75m, what is the
speed
of the wave?

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?

Petroleum contains energy. a. light b. kinetic c. chemical d. mechanical