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a 1.0 kg object is moving with a constant velocity 2.0 m/s toward the north. what is the second force that acts on the object?
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Question: Part A: How much time does it take light to travel from the moon to the earth, a distance of 384000 km ? Express your answer in seconds to three significant figures. Part B: Light from the star Sirius takes 8.6 ...
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