Question

Two tall buildings face each other and are at a distance of 180m from each other. With

what velocity must a ball thrown horizontally from a window 55m above the ground in

one building, so that it enters a window 10.9 m above the ground in the second

building?​

Answer 1

Answer:

Two tall buildings are at a distance 180m and facing each other. With what velocity must a ball be thrown horizontally from a window 55m above the ground in one building, so that it enters a window 10m above the ground in the second building?(Take, g 10 m/s) [Ans: 60m/s] [Hints: Equation of trajectory is, y (2 2u2.