Ask a New Question

A rock is dropped from a bridge that is 45 m above the water. It falls directly into a model boat, moving with constant velocity, that is 12 m from the point of impact when the key is released. What is the speed of the boat?

1 answer

time to drop 45 m

45 = (1/2)(9.81)t^2
t = 3.03 seconds

12 m/3.03 s = 3.96 m/s

Ask a New Question or answer this question.

Similar Questions

a rock is dropped from a 20.0m bridge falls into the river below.a.)at whqat velocity does it strike the water? b.)how much time
1. 0 answers
A rock is dropped off of a bridge into the water below. If the initial velocity was zero, and the well is on Earth (g = 9.8
1. 1 answer
A rock is dropped from a bridge to the water below. It takes 2.40 s for the rock to hitthe water. Find the speed (in m/s) of the
1. 1 answer
A rock is dropped from a bridge to the water below. It takes 2.4s to hit the water. Find the final speed of the rock when it
1. 1 answer

more similar questions