In this problem, assume that the effect of friction can be discounted. (remember to include the unit in the answer.)

referring to the above diagram, how high will the ball rise on the right-hand incline?

What is an electric motor? explain its operation. 2-3 sentence

Hunter’s velocity was 4.5 m/s. at the end of his race, his velocity was the same. which best describes his movement? his movement stopped. his acceleration is zero. his time was constant. his acceleration was positive.

Aflute player hears four beats per second when she compares her note to a 523 hz tuning fork (the note c). she can match the frequency of the tuning fork by pulling out the “tuning join” to lengthen her flute slightly. what was her initial frequency?