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A new roller coaster is a conservative system. If the coaster leaves the starting point with a speed of 5 m/s and a height of 25 m, what is its velocity when it reaches a height of 2.5 m? A. 9.81 m/s^2 B. 21.6 m/s C. 15.4 m/s D. 12.6 m/s Please show work thank u!
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The Earth is massive compared to most Earth-based objects, making acceleration due to Earth’s gravity approximately 9.8 m/s2. Using the equation, F = m X a and the value of 10 m/s2 for the acceleration of gravity, what is the force acting upon a 70 kg person?
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