
Grade 9Thermal Physics
A ball is allowed to fall freely from the roof of a building.simultaneously another ball of the same mass is projected horizontally from the same point with a speed 2 m/s. If the time taken by the first ball to strike is 2 sec then the time taken by the other ball will be?
A ball is allowed to fall freely from the roof of a building.simultaneously another ball of the same mass is projected horizontally from the same point with a speed 2 m/s. If the time taken by the first ball to strike is 2 sec then the time taken by the other ball will be?




