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Glencoe Physics: Principles and Problems �2005 (Homework)

James Finch

Physics - High School, section 001, Fall 2019

Instructor: Dr. Friendly

Current Score : 9 / 11

Due : Sunday, August 18, 2019 19:00 EDT

Last Saved : n/a Saving...  ()

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9/11 (81.8%)

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    Here are some textbook questions from Glencoe Physics: Principles and Problems �2005 published by Glencoe/McGraw-Hill. Click here for a list of all of the questions coded in WebAssign. This demo assignment allows many submissions and allows you to try another version of the same question for practice.

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1. –/2 points GPhys05 1.054.AC. My Notes
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Two students measure the speed of light. One obtains (3.001 0.001) ✕ 108 m/s. The other obtains (2.999 0.006) ✕ 108 m/s.
(a) Which is more precise?
    
(b) Which is more accurate?
    
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2. –/1 points GPhys05 1.069.P. My Notes
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–/1
 
Rank the following mass measurements from largest to smallest (use only the symbols > or =, for example b>a=c>d). (a) 10.8 mg, (b) 1020 µg, (c) 0.000 005 kg, (d) 0.25 mg.
(No Response)
Your work in question(s) will also be submitted or saved.
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3. –/1 points GPhys05 2.037.RC. My Notes
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–/1
 
The quantities that describe location or its change are position, distance, and displacement. Which are vectors?

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4. –/4 points GPhys05 3.082.MP. My Notes
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Refer to Figure 3-19 to find the acceleration of the moving object at each of the following times.

Figure 3-19
(a) during the first 5.0 s of travel
(No Response) m/s2

(b) between 5.0 s and 10.0 s
(No Response) m/s2

(c) between 10.0 s and 15.0 s
(No Response) m/s2

(d) between 20.0 s and 25.0 s
(No Response) m/s2
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5. –/3 points GPhys05 8.MR.089. My Notes
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A wooden door of mass m, and length l, is held horizontally by Dan and Ajit. Dan suddenly drops his end.
(a) What is the angular acceleration of the door just after Dan lets go? (Use m for m, g for the acceleration due to gravity and l for l as necessary.)
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(b) Is the acceleration contant?
    

Explain
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