Salina’s internal desire to exercise is called
1.positive thinking
2.motivation
3.a goal

Which fators influence ocean currents

What is friction? how does it affect the motion of an object?

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?