Question
Physics Question on Motion in a plane
If a ball of mass 0.1 kg hits the ground from the height of 20 m and bounce back to the same height then find out the force exerted on the ball if the time of impact is 0.04 sec (g = 10 m/s2)
A
100N(+j^)
B
200N(+j^)
C
100N(+−j^)
D
1000N(+j^)
Answer
100N(+j^)
Explanation
Solution
The correct option is(A): 100N(+j^)