A tennis ball of mass m moving with speed v collides with the same ball moving with speed v in the opposite direction
| December 13, 2020 | education
A tennis ball of mass m moving with speed v collides with the same ball moving with speed v in the opposite direction as the total impulse of two balls after collision. the collision is considered elastic, the interaction of balls with other bodies is negligible.
Because the interaction of balls with other bodies is negligible, for two balls the law of conservation of momentum is satisfied
m * v + m * (- v) = 0
Answer. After the collision, the total impulse will be zero
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