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college physics

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two balls of equal mass,moving with speeds of 5 meter/seconds,collide head on.find the velocity of each after impact if (a)they are stuck together (b)the collision of perfectly elastic. (c)the coefficient of restitution in 1/3?

  • college physics -

    (a) 0
    (b) 5 m/s and -5 m/s
    (in opposite directions)
    (c) sqrt(25/3) = 2.89 m/s
    and -2.89 m/s
    (in opposite directions)

  • college physics -

    a car accelerated from rest at 2 m/ s reached of 20 m/ s . it moved at this velocity for 50s and then started brake and stopped after 5s . find the total distance by this car from the starting point?

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