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A ball of mass 1 kg moves perpendicularly to a bat with a speed of 5 m/s. And the bat of 10 kg moves opposite to the ball with 2 m/s. After hitting ball moved with 15 m/s. What is the speed of bat after hit ? A) 1 m/s B) 2 m/sC) 3 m/s D) zero |
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Answer» Correct option is A) 1 m/s |
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