While sitting in class your body exerts a force of 600 N on your chair. how much work did you do?

Running for his life, Riley travels 100m in 9.83s. What was his average velocity in "m/s" and "km/h"?

A uniform narrow tube 1.80 m long is open at both ends. It resonates at two successive harmonics of frequencies 280 Hz and 300 Hz. (a) What is the fundamental frequency (Hz) ? (b) What is the speed of sound in the gas in the tube (m/s) ?

Which pair of elements is most similar? Na and CI Li and Ne Co and Ne and Ar

A tennis ball, 0.314 kg, is accelerated at a rate of 164 m/s2 when hit by a professional tennis player. What force does the player's tennis racket exert on the ball?

On most periodic tables a single atomic mass is listed instead of the mass numbers for all the stable isotopes. How is this mass related to the different isotopes?

If the mass of each ball were the same, but the velocity of ball A were twice as much as ball B, what do you think would happen to the final velocity of each ball after the collision?

Solar cells convert what type of energy into electrical energy?

Which common gas is less abundant in the top of saturn's atmosphere, compared to what we observe at jupiter?

How many atoms are in NaHCO3

Which is a result of using a machine? The amount of work that is done is increased. The work input is less than the work output. Both the force and the distance through which it acts increase.