A rock of mass 0.5 kg is launched straight up. A constant upward force of 405 N acted on the rock while it moved 25 cm upward starting from rest. Ignore air resistance. a. Find the launce speed using the work-energy theorem [use g = 10 m/s2 ]. b. Using energy ideas, find the maximum height above the launch point (25 cm) the rock will reach.
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A rock of mass 0.5 kg is launched straight up. A constant upward force of 405 N acted on the rock wh...
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