A recently discovered planet has a mass twice as great as Earth's and a radius twice as large as Earth's. What will be the approximate size of its gravitational field?  a. 19 m/s 2   b. 4.9 m/s2   c. 2.5 m/s 2  d. 9.8 m/s2

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Q: question 43 please

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A: mass of baby (m) = 3.70 kg mass of father (m') = 100 kg distance of father from baby (d) = 0.221 m…

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!