A leaping frog leaves the ground with a speed of 4 ms, Ask an Expert

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A leaping frog leaves the ground with a speed of 4 m/s heading straight upward. The frog's mass is 100 g (so its weight is 1 N). What is the maximum height reached by the frog through this leap? Look back at the formulas for gravitational potential energy and kinetic energy if you forgot them.

(Hint: When the frog reaches its maximum height, it has no kinetic energy, so all of the kinetic energy that it had originally should have become gravitational potential energy.)

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