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 35 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
:D TYSM


shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
Excellent

 

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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).

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library