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Q. A 62.00kg student is standing atop a spring in an elevator that is accelerating upward at 3.8 m/s2. The spring constant is 2600-N/m. By how much is the spring compressed?

Q. A ball is launched with a velocity of 5.50-m/s, at an angle of 50° to the horizontal. The launch point is at the base of a ramp of horizontal length d1 = 5.00 m and height d2 = 3.60 m. A plateau is located at top of the ramp. What is the magnitude of its displacement from the launch point when it lands?

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