A blue bowling ball rolled with a force of 15 N accelerates at a rate of 3m/sec2 a second red ball rolled with t he same force accelerates at 4m/sec2 what are the masses of two balls.

Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz

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.)

The substances that are necessary for producing of certain hormones and that store and transport vitamins