A 1.9-kg rock is released from rest at the surface of a pond 1.8 mdeep. As the rock falls, a constant upward force of 4.6 N is exertedon it by water resistance. Calculate the nonconservative work, Wnc,done by water resistance on the rock, the gravitational potentialenergy of the system, U, the kinetic energy of the rock, K, and thetotal mechanical energy of the system, E, when the depth of therock below the water’s surface is (a) 0 m, (b) 0.50 m, and (c) 1.0 m.Let y = 0 be at the bottom of the pond.
A 1.9-kg rock is released from rest at the surface of a pond 1.8 mdeep. As the rock falls, a constant upward force of 4.6 N is exertedon it by water resistance. Calculate the nonconservative work, Wnc,done by water resistance on the rock, the gravitational potentialenergy of the system, U, the kinetic energy of the rock, K, and thetotal mechanical energy of the system, E, when the depth of therock below the water’s surface is (a) 0 m, (b) 0.50 m, and (c) 1.0 m.Let y = 0 be at the bottom of the pond.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A 1.9-kg rock is released from rest at the surface of a pond 1.8 m
deep. As the rock falls, a constant upward force of 4.6 N is exerted
on it by water resistance. Calculate the nonconservative work, Wnc,
done by water resistance on the rock, the gravitational potential
energy of the system, U, the kinetic energy of the rock, K, and the
total mechanical energy of the system, E, when the depth of the
rock below the water’s surface is (a) 0 m, (b) 0.50 m, and (c) 1.0 m.
Let y = 0 be at the bottom of the pond.
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