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Shipman et al - Intro to Physical Science 14/e (Homework)

James Finch

Physical Science, section 1, Fall 2019

Instructor: Dr. Friendly

Current Score : 16 / 16

Due : Thursday, November 7, 2019 18:00 EST

Last Saved : n/a Saving...  ()

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Question
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1 2 3 4 5 6 7 8 9
–/2 –/1 –/1 –/1 –/1 –/1 –/1 –/2 –/6
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16/16 (100.0%)

  • Instructions

    Here are some textbook questions from An Introduction to Physical Science 14th edition by James Shipman, Jerry Wilson, Charles A. Higgins, Jr., and Omar Torres published by Cengage Learning.

    • Questions 1-3 show exercises with mathematical content and are written to reinforce learning and practice of important mathematical concepts.
    • Questions 4-5 are multiple choice questions that are a quick way to review central topics in the text, including key concepts, vocabulary, and contributing scientists.
    • Question 6 is a short answer question to challenge student mastery of concepts, theories, and important ideas by asking for answers that require a student-generated explanation. Many of these questions make use of WebAssign's essay mode which allows instructors to provide comments on a student's open-ended response and change the number of points given to a student.
    • Question 7 showcases an Applying Your Knowledge exercise that are included in chapters without mathematical content and promote the practical application of scientific inquiry.
    • Questions 8-9 use the chemPad tool, which lets students input correct chemical notation for answers including nuclear notation, ranking substances, and balancing equations.

    View the complete list of WebAssign questions available for this textbook. 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.

Assignment Submission

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.

Assignment Scoring

Your last submission is used for your score.

1. –/2 points ShipPS14 3.E.001. My Notes
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–/2
 
What is the net force of a 1.0 N force and an 9.0 N force acting on an object for each of the following conditions?
(a) The forces act in opposite directions.
(No Response) seenKey

8

 N

(b) The forces act in the same direction.
(No Response) seenKey

10

 N
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2. –/1 points ShipPS14 3.E.003. My Notes
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–/1
 
Determine the net force necessary to give an object with a mass of 3.7 kg an acceleration of 3.8 m/s2.
(No Response) seenKey

14.1

 N
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3. –/1 points ShipPS14 3.E.021. My Notes
Question Part
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1
–/1
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–/1
 
Two ice skaters stand together as illustrated in Figure (a) below. They "push off" and travel directly away from each other, the boy with a velocity of v = 0.68 m/s to the left. If the boy weighs 750 N and the girl weighs 450 N, what is the girl's velocity after they push off? (Consider the ice to be frictionless. Enter the magnitude only.)
(No Response) seenKey

1.13

 m/s
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4. –/1 points ShipPS14 3.MC.002. My Notes
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–/1
 
What is a possible state of an object in the absence of a net force?
    
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5. –/1 points ShipPS14 3.MC.014. My Notes
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–/1
 
A change in linear momentum requires which of the following?
    
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6. –/1 points ShipPS14 3.SA.001. My Notes
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–/1
 
Does a force always produce motion? Explain.
(No Response)
Key: No. The force may be balanced and the net force zero.

This answer has not been graded yet.

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7. –/1 points ShipPS14 20.AYK.001. My Notes
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–/1
 
Why do household barometers often have descriptive adjectives such as rain and fair on their faces, along with the direct pressure readings? (Select all that apply.)

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8. –/2 points ShipPS14 11.E.021. My Notes
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–/2
 
Arrange in order of increasing nonmetallic character. (Use the appropriate <, =, or > symbol to separate substances in the list.)
(a) the Period 4 elements K, Cu, and Ga

chemPad

Help

 
K < Cu < Ga

(b) the Group 5A elements N, Sb, and Bi

chemPad

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Bi < Sb < N
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9. –/6 points ShipPS14 13.E.001. My Notes
Question Part
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–/6
 
Balance these chemical equations. (Use the lowest possible whole number coefficients.)
(a)    C6H5OH + O2 → CO2 + H2O

chemPad

Help

 
C6H5OH + 7 O2  →  6 CO2 + 3 H2O

(b)    S8 + O2 → SO3

chemPad

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S8 + 12 O2  →  8 SO3

(c)    AgCl2 + H2 → Ag + HCl

chemPad

Help

 
AgCl2 + H2  →  Ag + 2 HCl

(d)    N2H4 + O2 → H2O2 + N2

chemPad

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N2H4 + 2 O2  →  2 H2O2 + N2

(e)    Ga + H2SO4 → Ga2(SO4)3 + H2

chemPad

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2 Ga + 3 H2SO4  →  Ga2(SO4)3 + 3 H2

(f)    K + Br2 → KBr

chemPad

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2 K + Br2  →  2 KBr
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