Answer Happy

A girl holding a ball is on a skateboard at rest. A moment later, she threw the ball over to her friend. Ignore friction, Initial final she moves in the opposite direction to the ball she moves in the same direction as the ball she remains at rest she moves +90 degrees to the direction of the ball

Martin puts his beagle in a wagon and takes him to the store, a horizontal distance of 477 m away, to purchase a Japanese frying pan. Martin's 372 N pull on the handle of the wagon makes an angle of 0 =52 degrees with the ground. How much work in joules does Martin's pull do in taking his dog for a walk? Pull