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प्रश्न
Two equal masses m1 and m2 are moving along the same straight line with velocities 5 ms-1 and -9 ms-1 respectively. If the collision is elastic, then calculate the velocities after the collision of m1 and m2, respectively.
विकल्प
-4 ms-1 and 10 ms-1
10 ms-1 and 0 ms-1
-9 ms-1 and 5 ms-1
5 ms-1 and 1 ms-1
उत्तर
-9 ms-1 and 5 ms-1.
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