S.A

Kinetic Energy and the Work/Energy Theorem: 1.) How much kinetic energy does a 700-gram baseball have that is travelling at 20 m/s? What would be the kinetic energy if you doubled the mass? What would be the kinetic energy if you doubled the velocity? 3.H...

In a group of 25 boys, 20 play ice hockey and 17 play baseball. they all play at least one of the games. What is the probability that a boy chosen at random from the class plays ice hockey but not baseball? Note:is 3 the right answer Thanks