1.

Consider a heavenly body that has mass 2Mand radius 2R, where M and R are the massand the radius of the earth respectively. Theacceleration due to gravity at the surface ofthis heavelny body is-(a) 2.45 m/s2 (b) 4.9 m/s2(c) 9.8 m/s2 (d) 19.6 m/s2

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the answer will be b 4.9m/s^2



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