Quiet operation of a fan depends mostly upon the

A. motor balance.

B. balance of the blades.

C. weight of the blades.

D. material of the blades

If you push a chair across the floor at a cibstant velocity how does the force of friction compare with the force you exert?

If the resistance is not changed but the voltage is increased, what happens to the current

Which sentence uses the correct adverb to make a comparison? A.) I wake up more earlier than my brother, B.). I wake up earliest than my brother C.) I wake up earlier then my brother.

A column of water exerts a pressure of 100. Pa and a force of 2.40 N. What is the cross-sectional area of a the column?

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

Adrian read about a new antimicrobial in a popular magazine. The advertisement claimed that the product Bactokil prevents bacterial growth. So, Adrian conducted a controlled experiment to test the product claims.

A world-class sprinter can burst out of the blocks to essentially top speed (of about 11.5 m/s) in the first 15.0 m of the race. what is the average acceleration of this sprinter, and how long does it take her to reach that speed?

How are primary and secondary succession similar and how are they different?

What relates the net force exerted on an object to its mass and acceleration?

I'm a wave, the medium moves parallel to the direction that the wave travels