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Q1. A rifle with a barrel length of 60.0 cm fires a 9.0 g bullet with a horizontal speed of 420 m/s. The bullet strikes a block of wood and penetrates to a depth of 12.0 cm.

Q2. A 5,000 kg satellite is orbiting the Earth in a circular path. The height of the satellite above the surface of the Earth is 800km. The velocity of the satellite is (Me = 5.98 x 10^24 kg, Re = 6.37 x 10^6 m, G = 6.67 x 10-11 N • m2/kg2)

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