This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A 12.6-V battery supplies a 2.0-A current for 2.0 minutes. What is the work done by the battery ... (Read 112 times)

Diane

  • Hero Member
  • *****
  • Posts: 576
on: Jul 28, 2018
A 12.6-V battery supplies a 2.0-A current for 2.0 minutes. What is the work done by the battery during this process?
 a. 0 J
  c. 2.5  102 J
  b. 3.0  103 J
  d. 1.5  104 J

Question 2

A baseball pitcher loosens up his pitching arm. He tosses a 0.15-kg ball using only the rotation of his forearm, 0.32 m in length, to accelerate the ball. If the ball starts at rest and is released with a speed of 24 m/s in a time of 0.40 s, what torque is applied to the ball while being held by the pitcher's hand to produce the angular acceleration?
 a. 1.1 Nm
  c. 2.9 Nm
  b. 11 Nm
  d. 1.4 Nm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sierray

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


Diane

  • Hero Member
  • *****
  • Posts: 576
Reply #2 on: Jul 28, 2018
Thank you!


Sierray

  • Sr. Member
  • ****
  • Posts: 343
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Lilly Martin Spencer’s Young Husband: First Marketing (1854). Note that passers-by are amused at thi Lilly Martin Spencer’s Young Husband: First Marketing (1854). Note that passers-by are amused at thi
An emergency department physician at work An emergency department physician at work
As some groups do ethnic work, they produce a mythical long-lost heritage, as in this photo of ... As some groups do ethnic work, they produce a mythical long-lost heritage, as in this photo of ...
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
Average Hourly Earnings of U.S. Workers in Current and Constant Dollars Average Hourly Earnings of U.S. Workers in Current and Constant Dollars
A current model for protein secretion by prokaryotes A current model for protein secretion by prokaryotes
Video: Role of the respiratory system - effect of altered ventilation rates

For a complete list of videos, visit our video library