Recent content by nc1617

Homework Statement A 1.85-kg rock is released from rest at the surface of a pond 1.00 m deep. As the rock falls, a constant upward force of 3.70 N is exerted on it by water resistance. Calculate the nonconservative work, Wnc, done by water resistance on the rock, the gravitational potential...

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Homework Statement A ball is tossed so that it bounces off the ground, rises to a height of 3.10 m, and then hits the ground again 0.70 m away from the first bounce. Homework Equations H= .5(v^2/g) for y velocity. The Attempt at a Solution Vy=squareroot of(60.822) Vy= 7.799 m/s...

Homework Statement A hot air balloon has just lifted off and is rising at the constant rate of 1.6 m/s. Suddenly, one of the passengers realizes she has left her camera on the ground. A friend picks it up and tosses it straight upward with an initial speed of 10.8 m/s. If the passenger is 2.5 m...