7) A1,000[kg] rock is moved from the north end of a parking lot to the south end. The parking lot is horizontal and the length of the parking lot is 10[m]. How much work needs to be done to the rock? O[J] 10[J] 100[J] 1,000[J] E) 10,000[J] More information needs to be given D)
7) A1,000[kg] rock is moved from the north end of a parking lot to the south end. The parking lot is horizontal and the length of the parking lot is 10[m]. How much work needs to be done to the rock? O[J] 10[J] 100[J] 1,000[J] E) 10,000[J] More information needs to be given D)
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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Question
![7) A 1,000[kg] rock is moved from the north end of a parking lot to the south end. The parking lot is
horizontal and the length of the parking lot is 10[m]. How much work needs to be done to the rock?
XA)
B)
C)
O[J]
10[J]
100[J]
D) 1,000[J]
10,000[J]
F) More information needs to be given](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8b5d3f26-cda5-43e5-8223-bfa02258241c%2Fc0d6d58a-090d-4769-8e9d-bc65f1e7b1d0%2Fkb3r8tq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:7) A 1,000[kg] rock is moved from the north end of a parking lot to the south end. The parking lot is
horizontal and the length of the parking lot is 10[m]. How much work needs to be done to the rock?
XA)
B)
C)
O[J]
10[J]
100[J]
D) 1,000[J]
10,000[J]
F) More information needs to be given
Expert Solution
Step 1
Since, work done(W) is defined as the product of Force(F) and displacement(d).Mathematically:-
W=F.d=(ma).d
Where m=mass and a=acceleration.
Since in above problem, only mass(m) and displacement(d) is given, acceleration(a) is not given.
Hence, in order to get the value of work done(W), acceleration(a) value is needed.
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