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Tippens - Physics (Homework)

James Finch

Physics - College, section 1, Fall 2019

Instructor: Dr. Friendly

Current Score : 2 / 14

Due : Monday, January 28, 2030 00:00 EST

Last Saved : n/a Saving...  ()

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Question
Points
1 2 3 4 5
2/2 0/2 0/2 0/5 0/3
Total
2/14 (14.3%)

  • Instructions

    Here are some textbook questions from Physics 7e by Paul E. Tippens published by 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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For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer.

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1. 2/2 points  |  Previous Answers Tippens7 3.P.024. My Notes
Question Part
Points
Submissions Used
1 2
1/1 1/1
1/50 2/50
Total
2/2
 
A boy attempts to lift his sister from the pavement (Fig. 3.29). If the vertical component of his pull F has a magnitude of 110 N and the horizontal component has a magnitude of 212 N, what are the magnitude and direction of the force F?
|F| = Correct: Your answer is correct. N
θ = Correct: Your answer is correct. ° above horizontal


Figure 3.29

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2. 0/2 points  |  Previous Answers Tippens7 5.P.024. My Notes
Question Part
Points
Submissions Used
1 2
0/1 0/1
3/50 2/50
Total
0/2
 
For equilibrium, what are the forces F1 and F2 in Fig. 5.17, if F3 = 50 lb? Neglect the weight of the bar.
F1 = Incorrect: Your answer is incorrect. lb
F2 = Incorrect: Your answer is incorrect. lb


Figure 5.17

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3. 0/2 points  |  Previous Answers Tippens7 10.P.025. My Notes
Question Part
Points
Submissions Used
1 2
0/1 0/1
1/50 1/50
Total
0/2
 
What is the linear speed of the flyweights in Fig. 10.16 if L = 12 cm and θ = 75°?
Incorrect: Your answer is incorrect. m/s
What is the frequency of revolution?
Incorrect: Your answer is incorrect. rev/s


Figure 10.16

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4. 0/5 points  |  Previous Answers Tippens7 21.P.004. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5
0/1 0/1 0/1 0/1 0/1
1/50 1/50 1/50 1/50 1/50
Total
0/5
 
For the longitudinal wave below in Fig. 21-13(b) where X1 = 29 cm and X2 = 8 cm, find the amplitude, wavelength, period, and speed of the wave if it has a frequency of 6.7 Hz.
A = Incorrect: Your answer is incorrect. cm
λ = Incorrect: Your answer is incorrect. cm
T = Incorrect: Your answer is incorrect. s
v = Incorrect: Your answer is incorrect. m/s
If the amplitude were doubled, would any of the other factors change?
Incorrect: Your answer is incorrect.

Figure 21.13(b)
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5. 0/3 points  |  Previous Answers Tippens7 36.P.013. My Notes
Question Part
Points
Submissions Used
1 2 3
0/1 0/1 0/1
1/50 1/50 1/50
Total
0/3
 
A 75 mm tall object is placed 12 cm from a converging lens of focal length 46 cm. What are the nature, size, and location of the image?
nature

Incorrect: Your answer is incorrect.
size Incorrect: Your answer is incorrect. mm
location Incorrect: Your answer is incorrect. cm
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