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 123 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

frankwu0507

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Tangential and Radial Acceleration Tangential and Radial Acceleration
The Speed of Light Is Constant The Speed of Light Is Constant
When the O2S voltage rises above 450 mV, the PCM starts to control the fuel mixture based on ... When the O2S voltage rises above 450 mV, the PCM starts to control the fuel mixture based on ...
You make 4 semi-annual deposits starting at $350 and increasing at a constant rate of 2.14%. ... You make 4 semi-annual deposits starting at $350 and increasing at a constant rate of 2.14%. ...
A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ... A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ...
Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take
Video: Sperm Formation

For a complete list of videos, visit our video library