2) om athlete completes one sound of a circular track of
diametre 200 km in 30 s find I) the distance traveled by
the athlete and (80) the magnitude of the displacement
of athlete at the end of 308

Ahot-air balloon is 11.0 m above the ground and rising at a speed of 7.00 m/s. a ball is thrown horizontally from the balloon basket at a speed of 9.00 m/s. ignore friction and air resistance and find the speed of the ball when it strikes the ground.