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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I need help with #1a and 1b please
Transcribed Image Text:01a. A curler pushes a 16 kg "rock" 5.04 m horizontally
7.03 s using a horizontal force of 68.3 N. Calculate
the work done on the "rock."
01b. Before being pushed, the "rock" had 31.1 J of kinetic
energy. How much kinetic energy did the "rock" have
after being pushed 5.04 m?
%3D
%3D
02a. A 0.0442 kg marble is placed on a spring with a
spring constant of 72.2 N/m. The marble is shot
vertically, and travels to a maximum height of 0.218
m above its starting point. What is the marble's
TOTAL energy when at the maximum height?
F
02b. How far does the spring compress when the marble
lands on it?
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