7. In a certain region of deep space, there is no gravity, friction, or air resistance. What force is required to keep a

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7 In A Certain Region Of Deep Space There Is No Gravity Friction Or Air Resistance What Force Is Required To Keep A 1 (59.91 KiB) Viewed 24 times

7. In a certain region of deep space, there is no gravity, friction, or air resistance. What force is required to keep a 9,000 kg space probe traveling at a constant velocity in this region? (a) an infinite force (b) no force is required (c) 9,000 N (d) 88,200 N 8. If the angular momentum of the earth is constant in time, what is the net torque Tnet on the earth? (a) Tnet is zero (b) Tnet is increasing in time (c) Tnet is decreasing in time (d) Tnet is infinite