Asked by khosi
A kid kicks a soccer ball of mass 430g so that the ball moves on a flat rough ground at a velocity of 16m/s towards a stairway. The ball experiences a constant frictional force of 5N over a distance of 200cm. it then hits the stairway and collides elastically with the edge of stairway which forces the ball to project vertically.At what point is the ball considered a free fall. Write BEFORE OR AFTER hitting the stairway. Give the reason for your answer
Answers
Answered by
Henry
The ball is considered a free fall after reaching it's max. ht.
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