A person is standing on the edge of a building. The building is 50 meters high. She throws two objects vertically downward, 1.00 s apart, and observes that they cause

a single splash in the water tank below. The first object has an initial speed of 2.00 m/s. (a)How long after release of the first object do the two objects hit the water?(b) What initial velocity must the second object have if the two objects are to hit the water simultaneously? (c) What is the speed of each object at the instant the two objects hit the water?