jee-main 2022 Q3

jee-main · India · session2_26jul_shift2 Impulse and momentum (advanced)
A ball of mass 0.15 kg hits the wall with its initial speed of $12 \mathrm{~m~s}^{-1}$ and bounces back without changing its initial speed. If the force applied by the wall on the ball during the contact is 100 N, calculate the time duration of the contact of ball with the wall.
(1) 0.018 s
(2) 0.036 s
(3) 0.009 s
(4) 0.072 s
A ball of mass 0.15 kg hits the wall with its initial speed of $12 \mathrm{~m~s}^{-1}$ and bounces back without changing its initial speed. If the force applied by the wall on the ball during the contact is 100 N, calculate the time duration of the contact of ball with the wall.\\
(1) 0.018 s\\
(2) 0.036 s\\
(3) 0.009 s\\
(4) 0.072 s