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Sagot :
Neglecting air friction, the maximum height will be upto 78% and time will be reduced by 49.5% with increase of 25% in horizontal length of shot.
A- When a ball hits the ground and rides on a hard surface like concrete, it deforms and forms a flat or concave surface where it hits the concrete. Energy is required to return the ball to its original shape, and this is the potential energy. The air pressure inside the ball is compressed during impact and rebound, but returns to its original pressure. The ball heats up slightly and this heat is released into the air as it moves.
B- Starting with a soft surface like dirt/soil/sand, most of the ball's energy is lost to the ground through ground deformation, and there is no repulsive force anywhere, so the ball doesn't seem to bounce as high. You would hit a hard surface.
C- In summary, the warp of the ball, the wind, and the friction caused by gravity will not cause the ball to bounce as high as it would on the hard surface on which it was dropped. The ball will rise so high when it hits a soft surface due to more energy being absorbed by surface depressions, rebound energy lost because the ball is less compressed, and wind and gravity losses common to the two. does not bounce.
To understand more about potential energy -
https://brainly.com/question/13853591
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