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

Author Question: A 150-N crate is being pulled up a perfectly smooth ramp that slopes upward at 15 by a pull that is ... (Read 169 times)

charchew

  • Hero Member
  • *****
  • Posts: 579
on: Jul 29, 2018
A 150-N crate is being pulled up a perfectly smooth ramp that slopes upward at 15 by a pull that is directed at 30 above the surface of the ramp.
 
  What is the magnitude of the pull required to make the crate move up the ramp at a constant velocity of 1.75 m/s?

Question 2

How fast (in terms of the speed of light) should a moving clock travel if it is to be observed by a stationary observer as running at one-half its normal rate?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

flexer1n1

  • Sr. Member
  • ****
  • Posts: 373
Reply #1 on: Jul 29, 2018
Answer to Question 1

45 N

Answer to Question 2

0.866c


charchew

  • Member
  • Posts: 579
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Smooth Collie Smooth Collie
Eye ball perfectly labelled (map) Eye ball perfectly labelled (map)
Upward social mobility, though welcome, can place people in a world so different from their world of ... Upward social mobility, though welcome, can place people in a world so different from their world of ...
Mobilize neck in wavelike motion. Return the head to a neutral position facing upward. Apply ... Mobilize neck in wavelike motion. Return the head to a neutral position facing upward. Apply ...
Fingertip rake over pectoralis major from sternum to shoulder. Pull arm out from the body to access ... Fingertip rake over pectoralis major from sternum to shoulder. Pull arm out from the body to access ...
Smooth Muscle Smooth Muscle
Video: Bone processes - resorption and deposition, remodeling and response to stress in adult bones

For a complete list of videos, visit our video library