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 66 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
Wow, this really help

okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Although Tasmanian devils are nocturnal, they like to rest in the sun. Scarring from fighting is vis Although Tasmanian devils are nocturnal, they like to rest in the sun. Scarring from fighting is vis
Where Professional Psychologists Work Primary employment settings for PhD recipients in psychology. Where Professional Psychologists Work Primary employment settings for PhD recipients in psychology.
In many work settings, middle-aged people demonstrate generativity by serving as mentors for their ... In many work settings, middle-aged people demonstrate generativity by serving as mentors for their ...
Many European Americans are involved in ethnic work, attempting to maintain an identity more precise ... Many European Americans are involved in ethnic work, attempting to maintain an identity more precise ...
Who Takes Care of the Children While the Mothers Are at Work? Who Takes Care of the Children While the Mothers Are at Work?
Math work Math work
Video: Ciliate conjugation Animation

For a complete list of videos, visit our video library