Physics I, Unit: center of mass and linear momentum The figure shows an approxim

Question

Physics I, Unit: center of mass and linear momentum

The figure shows an approximate plot of force magnitude F versus time t during the collision of a 58 g Superball with a wall. The initial velocity of the ball is 34 m/s perpendicular to the wall, in the negative direction of an x axis. It rebounds directly back with approximately the same speed, also perpendicular to the wall. What is F_max, the maximum magnitude of the force on the ball from the wall during the collision? Number Units the tolerance is +/-2%

Explanation / Answer

here

the impulse will be

p = m * delta v

p = 0.058 * (34 -(- 34))

p = 3.944 Ns

then the time for maximum force

2 + 0.5 * 4 = 4 ms

F = 3.944 / 0.004

F = 986 N

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