Mr. Wharf accidentally fires two rockets on his shuttlecraft at the same time. The first rocket applies a force of 1000 N [E25°S], and the second rocket applies a force of 1200 N [N40°W]. If the shuttlecraft has a mass of 5.0 x 104 kg, determine the vector acceleration it will experience. [1.0 x 10-2 m/s2 [E75°N]

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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!