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

Author Question: A dragster starts from rest and travels 1/4 mi in 6.70 s with constant acceleration. What is its ... (Read 96 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

C


Evvie72

  • Member
  • Posts: 519
Reply 2 on: Jul 29, 2018
Excellent

peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

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?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Movement of a bolus of food from the mouth to the esophagus. The bolus then travels to the stomach. Movement of a bolus of food from the mouth to the esophagus. The bolus then travels to the stomach.
A typical engine design that uses both pressure and splash lubrication. Oil travels under pressure ... A typical engine design that uses both pressure and splash lubrication. Oil travels under pressure ...
When the air–fuel mixture rapidly changes such as during a rapid acceleration, look for a rapid ... When the air–fuel mixture rapidly changes such as during a rapid acceleration, look for a rapid ...
Reaction at constant-pressure Reaction at constant-pressure
A forklift pushes a 100-kg crate, starting from rest, exerting a horizontal force of magnitude ... A forklift pushes a 100-kg crate, starting from rest, exerting a horizontal force of magnitude ...
At 34.5°C, oxygen gas expands from 34.5 L to 45.7 L against a constant pressure of 750 mmHg. ... At 34.5°C, oxygen gas expands from 34.5 L to 45.7 L against a constant pressure of 750 mmHg. ...
Video: Origin of organelles Animation

For a complete list of videos, visit our video library