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

Author Question: How much work must be done by frictional forces in slowing a 1000-kg car from 26.1m/s to rest? A) ... (Read 64 times)

Sufayan.ah

  • Hero Member
  • *****
  • Posts: 512
on: Jul 29, 2018
How much work must be done by frictional forces in slowing a 1000-kg car from 26.1m/s to rest?
 
  A) 4.09  105 J B) 3.41  105 J C) 2.73  105 J D) 4.77  105 J

Question 2

Calculate the average force an outside object would have to exert to bring a 1200-kg car to rest in 15 cm when the car had an initial speed of 2.0 m/s (about 4.5 mph).
 
  A) 1.8  104 N
  B) 1.6  104 N
  C) 5.4  104 N
  D) 6.5  105 N
  E) 3.2  104 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mceravolo

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

B


Sufayan.ah

  • Member
  • Posts: 512
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

marict

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Einstein - Science is the work of... Einstein - Science is the work of...
The Ku Klux Klan forces John Campbell, a black man, to beg for his life in Moore County, North Carol The Ku Klux Klan forces John Campbell, a black man, to beg for his life in Moore County, North Carol
Keep your arms in front of your body as you work. Keep your arms in front of your body as you work.
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
How Does Earth Work? Physical Geology and the Process of Science, 2nd Edition How Does Earth Work? Physical Geology and the Process of Science, 2nd Edition
Charlie Stone wants to retire in 30 years, and he wants to have an annuity of $1000 a year for ... Charlie Stone wants to retire in 30 years, and he wants to have an annuity of $1000 a year for ...
Video: The pH scale - Strong acids and Weak acids

For a complete list of videos, visit our video library