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Bauer and Westfall - University Physics 1/e (Homework)

James Finch

Physics - College, section 1, Fall 2019

Instructor: Dr. Friendly

Current Score : 3 / 6

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

Last Saved : n/a Saving...  ()

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Question
Points
1 2 3 4 5 6
1/1 –/1 1/1 –/1 –/1 1/1
Total
3/6 (50.0%)

  • Instructions

    Here are some textbook questions from University Physics 1/e by Wolfgang Bauer and Gary Westfall 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 wherever the problem has randomized values.

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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. 1/1 points  |  Previous Answers BauerPhys1 1.P.059. My Notes
Question Part
Points
Submissions Used
1 2 3
1/1 0/0 0/0
2/50 3/50 3/50
Total
1/1
 
Write the vectors
A, B, and C
 in Cartesian coordinates.

A with arrow =
(2.5,1.5)
Correct: Your answer is correct.
B with arrow =
(5.5,−1.5)
Correct: Your answer is correct.
C with arrow =
(−6,−3)
Correct: Your answer is correct.
Your work in question(s) will also be submitted or saved.
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2. –/1 points BauerPhys1 1.P.062. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Determine the difference vector
E = B − A
 graphically. (Express your answer in Cartesian coordinates.)
E =
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Viewing Saved Work Revert to Last Response
3. 1/1 points  |  Previous Answers BauerPhys1 3.P.094. My Notes
Question Part
Points
Submissions Used
1
1/1
9/50
Total
1/1
 
A plane diving with constant speed at an angle of 51° with the vertical, releases a package at an altitude of 595 m. The package hits the ground 3.5 s after release. How far horizontally does the package travel?
Correct: Your answer is correct.
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4. –/1 points BauerPhys1 4.P.028. My Notes
Question Part
Points
Submissions Used
1 2 3 4
–/1 –/0 –/0 –/0
0/50 0/50 0/50 0/50
Total
–/1
 
Two blocks are in contact on a frictionless, horizontal tabletop. An external force,
F,
 is applied to block 1, and the two blocks are moving with a constant acceleration of 2.55 m/s2. Use M1 = 3.30 kg and M2 = 5.65 kg.
(a) What is the magnitude, F, of the applied force?


(b) What is the contact force between the blocks?


(c) What is the net force acting on block 1?
magnitude
direction

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5. –/1 points BauerPhys1 4.P.031. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Four weights, of masses m1 = 11.25 kg, m2 = 6.50 kg, m3 = 19.40 kg, and m4 = 8.69 kg, are hanging from the ceiling as shown in the figure. They are connected with ropes. What is the tension in the rope connecting masses m1 and m2?
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6. 1/1 points  |  Previous Answers BauerPhys1 4.P.063. My Notes
Question Part
Points
Submissions Used
1 2
1/1 –/0
1/50 0/50
Total
1/1
 
As shown in the figure, blocks of masses m1 = 140.0 g and m2 = 400.0 g are attached by a massless string over a frictionless and massless pulley. The coefficients of static and kinetic friction between the block and inclined plane are 0.239 and 0.127, respectively. The angle of the incline is θ = 30.0°, and the blocks are at rest initially.
(a) In which direction do the blocks move?
     Correct: Your answer is correct.

(b) What is the magnitude of the acceleration of the blocks?
Your work in question(s) will also be submitted or saved.
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