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A space probe (mass = 4.85 x 102 kg) is drifting directly toward the moon (in...

A space probe (mass = 4.85 x 102 kg) is drifting directly toward the moon (in the +x direction) at a speed of 3.23 x 104 m/s. To correct its speed before going into orbit, a thruster rocket is fired in the -x direction; the magnitude of the force is 5.63 x 104 N. The speed after the thruster is fired is 2.87 x 104 m/s.

a. Find the probe’s momentum before the thruster is fired, as well as its momentum after

b. find impulse

c. find out how long the thruster was fired using Ch. 7's concepts

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