Determine the total gravitational force exerted by the two large celestial bodies on the small one. 7. 1030kg F1 3· 1012 m F2 1.1030 kg 4. 1012 m 7.1030 kg

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A: The expression for the luminosity of the sun is given as, L=4πd2b

Q: Object Mass Radius Person 70 kg 1E-3 km Моon 7E22 kg 1.7E3 km Sun 2E30 kg. 7E5 km Earth 6E24 kg 6E3…

A: (i) Person : g=GMR2 & VEsc=2GMR  (formula for calculation) g=6.67×10-11×7012 g=4.67×10-9m/s2…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!