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 163 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
:D TYSM

6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Three types of muscle tissue: skeletal, smooth, and cardiac muscle. Three types of muscle tissue: skeletal, smooth, and cardiac muscle.
The Trundholm Sun chariot pulled by a horse is a sculpture believed to be illustrating an important The Trundholm Sun chariot pulled by a horse is a sculpture believed to be illustrating an important
Pronation and Supination Pronation–Lying prone (face downward); also turning the palm downward. Supi Pronation and Supination Pronation–Lying prone (face downward); also turning the palm downward. Supi
Atherosclerosis. (a) A sectioned coronary artery that exhibits an accumulation of fatty plaque, whic Atherosclerosis. (a) A sectioned coronary artery that exhibits an accumulation of fatty plaque, whic
Medical assistants can quickly pull up a patient record when a phone call is received. Medical assistants can quickly pull up a patient record when a phone call is received.
Normal combustion is a smooth, controlled burning of the air–fuel mixture. Normal combustion is a smooth, controlled burning of the air–fuel mixture.
Video: How proteins function? How do proteins work?

For a complete list of videos, visit our video library