This topic contains a solution. Click here to go to the answer

Author Question: A dragster starts from rest and travels 1/4 mi in 6.70 s with constant acceleration. What is its ... (Read 102 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
A dragster starts from rest and travels 1/4 mi in 6.70 s with constant acceleration. What is its velocity when it crosses the finish line?
 
  A) 296 mi/h
  B) 269 mi/h
  C) 188 mi/h
  D) 135 mi/h

Question 2

A constant force of 20 N is applied to an object of mass 8.0 kg at an angle of 25 with the horizontal. What is the work done by this force on the object if it causes a displacement of 2.0 m along the horizontal direction?
 
  A) 40 J
  B) 0 J
  C) 36 J
  D) 17 J
  E) 19 J



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cuttiesgirl16

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

B

Answer to Question 2

C




Evvie72

  • Member
  • Posts: 519
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)


atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

For a complete list of videos, visit our video library