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Two small bodies of masses 10 kg and 20 kg are kept a distance 1.0 m apart and released,

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asked Mar 31, 2018 in Physics by anukriti (13,536 points) ● 5 ● 10 ● 39

Two small bodies of masses 10 kg and 20 kg are kept a distance 1.0 m apart and released, Assuming that only mutual gravitational forces are acting, find the speeds of the particles when the separation decreases to 0.5 m.

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answered Mar 31, 2018 by faiz (82,347 points) ● 6 ● 6 ● 12
selected Mar 31, 2018 by anukriti
 
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The linear momentum of 2 bodies is 0 initially. Since gravitational force is internal, final momentum is also zero.

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