If a 60 kg woman, runs up a flight of stairs having a total rise of 4.0m in a time of 4.2s. What average power did she supply?

If a rabbit runs 678 m down the street in 457s, what will its speed be?

Newton's 3rd law is also known as the law of

Which statement correctly describes the relationship between the energy of a wave and the wave's amplitude? High energy waves have high amplitudes. Low energy waves have high amplitudes. High and low energy waves have the same amplitudes.

What is true of all particles of gas enclosed within a container?

Does a steep plane prove more mechanical advantage than a gradual plane

What does the ozone layer absorb? a. Microwaves c. UV radiation b. X-rays d. Infra-red radiation

An object is undergoing shm with period 0.900 s and amplitude 0.320 m. at t = 0 the object is at x = 0.320 m and is instantaneously at rest. calculate the time it takes the object to go (a) from x = 0.320 m to x = 0.160 m and (b) from x = 0.

Your friend states in a report that the average time required to circle a 1.0-mi track was 49.325 s. This was measured by timing 10 laps using a stopwatch with a precision of 0.01 s. Do you believe his results are reliable? Explain.

The forklift exerts a 300.0 N force on the box and moves it 15.0 m into the air. How much work does the forklift do? A. 500 J B. 1.50 * 10^3 J C. 4.50 * 10^3 J D. 0.00 J

Why the room gets hot even we open the door of refrigerator?