Question

1) A penny is dropped from rest from the top of a very tall building. Assuming the height of the building is 407 m and ignoring air resistance, find the speed with which the penny strikes the ground.

I am not sure how to start this. Thank you!
V = sqrt(2 g X)

Why? Because
M g X = (1/2) M V^2

Related Questions

A penny is dropped from rest from the top of a very tall building. Assuming the height of the buildi... A penny is dropped from rest from the top of the Trump Tower in New York City. Considering that the... A penny is dropped from the top of a building 310 m high. Ignoring air resistance, if the penny fall... A penny is dropped onto a rectangular surface. If it is equally likely for the penny to land anywher...