A baseball leaves the bat at a height of 1.4 m above the ground, traveling at an angle of 45˚. It will reach the ground after a horizontal distance of 140 m. At a distance of 120 m is a fence 6 m high. Will the ball go over the fence? If so, by how much? If not, how much below the top of the fence will it hit?

Question

A baseball leaves the bat at a height of 1.4 m above the ground,  traveling at an angle of 45˚. It will reach the ground after a  horizontal distance of 140 m. At a distance of 120 m is a fence  6 m high. Will the ball go over the fence? If so, by how much? If not, how much below the top of the fence will it hit?

anonymous · Answer

I know I have to find the time it takes to travel the 120m and I would use the equation for position, and then plug that in into the y position formula but then I would have two unknowns because I still wouldnt know the intial velocity. :( Help.