Who has better abs me pic 1 or kid pic 2 from googIe

The dot diagram represents the motion of the motorcycle as it moves from left to right

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Frequency of electromagnetic waves that a radio station is assigned is called