Two balls of equal masses moving with velocities 10 m/s and -7 m/s respectively collide elastically. Their velocities after collision will be (a) 3 ms-1 and 17 ms-1 (b) -7 ms-1 and 10 ms-1(c) 10 ms-1 and -7 ms-1 (d) 3 ms-1 and -70 ms-1

Two balls of equal masses moving with velocities 10 m/s and -7 m/s res

1.	Two balls of equal masses moving with velocities 10 m/s and -7 m/s respectively collide elastically. Their velocities after collision will be (a) 3 ms-1 and 17 ms-1 (b) -7 ms-1 and 10 ms-1(c) 10 ms-1 and -7 ms-1 (d) 3 ms-1 and -70 ms-1
Answer» Correct answer is (b) -7 ms^-1 and 10 ms^-1

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Two balls of equal masses moving with velocities 10 m/s and -7 m/s respectively collide elastically. Their velocities after collision will be (a) 3 ms-1 and 17 ms-1 (b) -7 ms-1 and 10 ms-1(c) 10 ms-1 and -7 ms-1 (d) 3 ms-1 and -70 ms-1

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