Two putty balls of equal mass moving with equal velocity in mutually perpendicular directions, stick together after collision. If the balls were initially moving with a velocity of |
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b) |
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d) |
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Two putty balls of equal mass moving with equal velocity in mutually perpendicular directions, stick together after collision. If the balls were initially moving with a velocity of |
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a) |
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b) |
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c) |
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d) |
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(b)
Initial momentum
Final momentum
By conservation of momentum