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Does the speed of a ball increase or decrease after it hits the ground?
Wiki User
∙ 14y ago
Once a ball has fallen a distance through the air, and it contacts the ground, its speed will rapidly decrease until it has stopped moving. The acceleration experienced by the ball is so great that it seems to stop instantly. Most likely, it will bounce back up, and then repeat this cycle a few times before coming to rest.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoAs an object falls, it gains speed. But the acceleration on it is constant. The earth is pulling it back toward itself, and it does so at a constant or fixed rate of acceleration. Acceleration will not be increasing or decreasing during the "normal" acceleration of a falling body. It will remain a constant. Speed will be increasing as there is positive (though constant) acceleration. However, as the speed of the ball approaches termial velocity, the force of the air resistance will increase, so the magnitude of the acceleration will approach zero as the speed of the ball gets closer and closer to its terminal velocity.
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Why does a ball spin the opposite direction after it hits the ground?
ANSWER it has to do with the way the ball is launched. if theres a topspin on the ball, when the ball hits the ground, it will pick up speed on contact. if it is spinning back toward you, upon contact with the ground, it will most likely bounce back at you. did i help any?
