1000kg forklift applies a steady force of 5000N to push a 300kg crate 20 meters in 5 seconds.

a) How much work did the forklift do?

b) How much power did the forklift use?

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?