A baseball player hits a foul ball straight up into the air. it leaves the back with the speed of 120 km/h in the absence of air resistance, how fast will the ball be moving when the catcher catches it?

How much force must a locomotive exert on a 12840-kg boxcar to make it accelerate forward at 0.490 m/s2?

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.

In an experiment, how can i change human errors? be specific.