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M190114 SOLVE ALL THREE QUESTIONS TOTAL ALL ARE MANDATORY You are required to solve each problem explicitly, i.e. draw diagrams when required, show equations, derive any required quantities, and write down explicitly any calculations that you perform. Q1. (i) (ii) (iii) Calculate the centripetal acceleration of the Earth in its orbit around the Sun, And the net force exerted on the Earth. What exerts this force on the Earth? Assume that the Earths orbit is a circle of radius 1.5 X 101 m (iv) (v) Calculate the Gravitational Force between the Earth and the Sun. Compare the Gravitational Force to that net force from section (ii) above. 2
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2. bj Me 5 =.yunur. ㅡ mv느 ← 5·37X1024X ,oo sge3.5 X 1022 N V1

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