Question

Sidney throws a basketball into a pool of water. The ball lands 10 feet from the edge of the pool, and the waves from the ball's impact reach the edge in 5.0 seconds.

Later on, Sidney bounces a basketball on the floor of her school gym. If Ian is sitting on the floor 10 feet away from where Sidney bounces the ball, the waves traveling along the floor from the ball's impact will _______.
reach him in less than 5.0 seconds.
reach him in exactly 15 seconds.
reach him in 5.0 seconds.
reach him in more than 5.0 seconds.