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Two space ships collide in deep space. Spaceship P, the projectile, has a mass of 5M,...

Two space ships collide in deep space. Spaceship P, the projectile, has a mass of 5M, while the target spaceship T has a mass of M. Spaceship T is initially at rest and the collision is elastic. If the final velocity of T is 5.6 m/s, what was the initial velocity of P?

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SM や 2m (S tOrM CLI 3.36m

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