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Hewitt - Conceptual Physics 10/e (Homework)

James Finch

Physics - College, section 1, Fall 2010

Instructor: Dr. Friendly

Current Score: 12/12

Due: Sunday, October 24, 2010 20:00 EDT

About this Assignment

Question
Points
1 2 3 4 5
2 2 2 2 4
Total
12/12

Description

Here are some textbook questions from Conceptual Physics 10/e by Paul Hewitt published by Addison Wesley. Click here for a list of all of the questions coded in WebAssign.


Instructions

This demo assignment allows many submissions and allows you to try another version of the same question for practice.



1. 2/2 points All Submissions Notes Question: Hewitt10 4.E.027.
Question part
Points
Submissions
1 2
1 1
6/50 4/50
Total
2/2
 
Three identical blocks are pulled as shown on a horizontal frictionless surface. If tension in the rope held by the hand is T = 90 N, what is the tension in the other ropes?

between blocks 1 and 2
Enter a number.
Your answer is correct. N
between blocks 2 and 3
Enter a number.
Your answer is correct. N

2. 2/2 points All Submissions Notes Question: Hewitt10 4.P.010.
Question part
Points
Submissions
1 2
1 1
5/50 4/50
Total
2/2
 
Before going into orbit, an astronaut has a mass of 55 kg. While in orbit, a measurement determines that a force of 102 N causes her to move with an acceleration of 1.90 m/s2.
What is her mass now?
Enter a number.
Your answer is correct. kg
To regain her original weight, should she go on a diet or start eating more candy?
    

Your answer is correct.



3. 2/2 points All Submissions Notes Question: Hewitt10 11.E.019.
Question part
Points
Submissions
1 2
1 1
1/50 6/50
Total
2/2
 
A particular atom has 32 electrons, 37 neutrons, and 32 protons. What is the atomic number of this element, and what is its name?
atomic number
Enter a number.
Your answer is correct.
name
Answer is not case sensitive.
Your answer is correct.

4. 2/2 points All Submissions Notes Question: Hewitt10 13.E.012.
Question part
Points
Submissions
1 2
1 1
3/50 2/50
Total
2/2
 
Which teapot holds more liquid?
    

Your answer is correct.


Explain.


5. 4/4 points All Submissions Notes Question: Hewitt10 23.E.046.
Question part
Points
Submissions
1 2 3 4
1 1 1 1
3/50 1/50 4/50 1/50
Total
4/4
 
In the circuit shown, how do the brightnesses of the identical lightbulbs compare? Check all that apply.

Your answer is correct.




Which lightbulb draws the most current?

Your answer is correct.




What will happen if bulb A is unscrewed?

Your answer is correct.




What will happen if C is unscrewed?

Your answer is correct.



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