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Merrill Physics: Principles and Problems (Homework)

James Finch

Physics - High School, section 001, Fall 2019

Instructor: Dr. Friendly

Current Score : 12 / 15

Due : Sunday, September 8, 2019 19:00 EDT

Last Saved : n/a Saving...  ()

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Question
Points
1 2 3 4 5
–/6 –/1 –/4 –/2 –/2
Total
12/15 (80.0%)

  • Instructions

    Here are some textbook questions from Merrill Physics: Principles and Problems �1992 by Zitzewitz 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. –/6 points Merrill92 2.P.02 My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6
–/1 –/1 –/1 –/1 –/1 –/1
0/50 0/50 0/50 0/50 0/50 0/50
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–/6
 
Convert each of the following measurements into meters.
(a) 43.0 cm
(No Response) seenKey

0.43

 m
(b) 5.1 pm
(No Response) seenKey

5.10e-12

 m
(c) 72 km
(No Response) seenKey

72000

 m
(d) 0.032 mm
(No Response) seenKey

3.2e-05

 m
(e) 171 µm
(No Response) seenKey

0.000171

m
(f) 368 nm
(No Response) seenKey

3.68e-07

 m
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2. –/1 points Merrill92 3.PP.04 My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Clock readings, t, in s Positions, d, in m
0.0 30
1.0 30
2.0 35
3.0 45
4.0 60
5.0 70
Table 3-1.

Using the data in Table 3-1, find the average velocity of the car in the time interval between 1.0 and 4.0 s.
(No Response) seenKey

10

 m/s
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3. –/4 points Merrill92 4.PP.07 My Notes
Question Part
Points
Submissions Used
1 2 3 4
–/1 –/1 –/1 –/1
0/50 0/50 0/50 0/50
Total
–/4
 
For Figure 4-6, find the average acceleration during the given time intervals.


Figure 4-6.

(a) 0 to 5 s
(No Response) seenKey

2

 cm/s2
(b) 0 to 10 s
(No Response) seenKey

1

 cm/s2
(c) 15 to 20 s
(No Response) seenKey

-1.2

 cm/s2
(d) 0 to 40 s
(No Response) seenKey

0

 cm/s2
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4. –/2 points Merrill92 5.P.28 My Notes
Question Part
Points
Submissions Used
1 2
–/1 –/1
0/50 0/50
Total
–/2
 
You change the masses in Figure 5-18 to 1.00 kg and 7.00 kg.


Figure 5-18.

(a) What can you expect the acceleration of the 7.00-kg mass to be?
(No Response) seenKey

7.35

 m/s2
(b) What is the tension force acting on the cord?
(No Response) seenKey

17.2

 N
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5. –/2 points Merrill92 6.P.32 My Notes
Question Part
Points
Submissions Used
1 2
–/1 –/1
0/50 0/50
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–/2
 
Joe wishes to hang a sign weighing 707 N so that cable A attached to the store makes a 30.0° angle as shown in Figure 6-28. Cable B is attached to an adjoining building. Calculate the necessary tension in cable B.


Figure 6-28.

Magnitude
(No Response) seenKey

408

 NDirection
    
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