A +2 ms mA = 4 kg 0 -2 m/s +2 m/s, D mp = 8 kg 0 -2 m/s 2 S 2 4 s 4 s B +2 m/s mg = 4 kg 0 -2 m/s E +2 m/sp mg = 8 kg 0 -2 m/s 2 s 2 s 4 s 4 s C +2 m/s mc=4 kg 0 -2 m/s F +2 m/s mp = 8 kg 0 -2 m/s 2 s Shown in the figure are six velocity vs. time graphs for six objects that move along a straight, horizontal and frictionless path. A single external force, such as a hand, acts on each object. The masses of each of the objects are given next to their respective graph of motion. For the four second interval shown, rank the total work done on the objects by the external force from greatest positive to the greatest negative for cases A-F. 4 s

A +2 ms mA = 4 kg 0 -2 m/s +2 m/s, D mp = 8 kg 0 -2 m/s 2 S 2 4 s 4 s B +2 m/s mg = 4 kg 0 -2 m/s E +2 m/sp mg = 8 kg 0 -2 m/s 2 s 2 s 4 s 4 s C +2 m/s mc=4 kg 0 -2 m/s F +2 m/s mp = 8 kg 0 -2 m/s 2 s Shown in the figure are six velocity vs. time graphs for six objects that move along a straight, horizontal and frictionless path. A single external force, such as a hand, acts on each object. The masses of each of the objects are given next to their respective graph of motion. For the four second interval shown, rank the total work done on the objects by the external force from greatest positive to the greatest negative for cases A-F. 4 s

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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Concept explainers

Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.

Question

A +2 m/s
mA = 4 kg
0
-2 m/s
D +2 m/s
mp = 8 kg
0
-2 m/s
2 s
2
4 s
B +2 m/s
mg = 4 kg
0
4 s
-2 m/s
E +2 m/s
= 8 kg
mg =
0
-2 m/s
2 s
2 s
4 s
4 s
C +2 m/s
mc=4 kg
0
-2 m/s
F +2 m/s
mp = 8 kg
0
-2 m/s
2 s
Shown in the figure are six velocity vs. time graphs for six objects that move along a
straight, horizontal and frictionless path. A single external force, such as a hand, acts
on each object. The masses of each of the objects are given next to their respective
graph of motion. For the four second interval shown, rank the total work done on the
objects by the external force from greatest positive to the greatest negative for cases
A-F.
4 s

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