The ratio of output power to input power, in percent, is called
a. conductivity.
c. work.
b. efficiency.
d. horsepower.

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)

On average 8 bananas make up one pound. the price is four pounds for 5.00. you must buy 25 bananas. what is your cost?