What is the distance from rest to crest, or from rest to trough, called?

Answer the above statement is ( false );

It is increased due to the doppler effect. (apex)

Answernewton's second law,says that when a contant force acts on a massive body, it causes it to accelerate

4. determine the centripetal force acting upon a 40-kg child who makes 10 revolutions around the cliffhanger in 29.3 seconds. the radius of the barrel is 2.90 meters. given: m = 40 kg; r = 2.90 m; t = 2.93 s (since 10 cycles takes 29.3 s).hope i