If an athlete executing a long jump leaves the ground at a 30° angle and travels 7.80 m, what was the takeoff speed

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?

True or false graphs must include scales that increase by the same amount

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone