What was the reduction in emec of the frisbee-earth system
A 75 g Frisbee is thrown from a point 0.9 m above the ground with a speed of 12 m/s. When it has reached a height of 1.9 m, its speed is 10.1 m/s. What was the reduction in Emec of the Frisbee-Earth system because of air drag? (in Joules)
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