Rock star moving relative to the earth
An intergalactic rock star bangs his drum every 1.30 s. A person on earth measures that the time between beats is 2.30 s. How fast is the rock star moving relative to the earth?
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The tank in Figure P 14.13 is filled with water of depth d 5 2.00 m. At the bottom of one sidewall is a rectangular hatch of height h 5 1.00 m and width w 5 2.00 m that is hinged at the top of the hatch. (a) Determine the magnitude of the force t
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A race car starting from rest accelerates at a constant rate of 5.10 m/s2. What is the velocity of the car after it has traveled 1.32 102 ft?
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