A lead ball is dropped into a lake from a diving board 4.50 m above the water. After entering the water, it sinks to the bottom with a constant velocity equal to the velocity with which it hit the water. The ball reaches the bottom 4.40 s after it is released. How deep is the lake?

Question

A lead ball is dropped into a lake from a diving board 4.50 m above the water.  After entering the water, it sinks to the bottom with a constant velocity equal to the velocity with which it hit the water.  The ball reaches the bottom 4.40 s after it is released.  How deep is the lake?

GraceW1 · Accepted Answer

If I had work and knew how to do these problems why would I come to a homework help website Ms. Sue?

Ms. Sue · Answer

Homework Posting Tips Please show your work. Tutors will not do your homework for you. Please show your work for any question that you are posting. Do not post any more questions until you show your work for the ones you've already posted!

Damon · Answer

calulate speed after falling 4.5 m (1/2) m v^2 = m g h so v = sqrt (2 g h) then v t = 4.4 now try the others