This topic contains a solution. Click here to go to the answer

Author Question: The position of an air-track cart that is oscillating on a spring is given by x = (12.4 cm) ... (Read 106 times)

Alygatorr01285

  • Hero Member
  • *****
  • Posts: 564
The position of an air-track cart that is oscillating on a spring is given by x = (12.4 cm) cos(6.35s-1)t. At what value of t after t = 0 s is the cart first located at x = 8.47 cm?
 
  A)
 
  4.34 s
 
  B)
 
  0.108 s
 
  C)
 
  0.129 s
 
  D)
 
  7.39 s
 
  E)
 
  7.75 s

Question 2

A 1.0-kg object is moving with a constant velocity 2.0 m/s toward the north. There are two forces acting on the object. One of the forces is 2.0 N north. The other force is ________
 
  A)
 
  1.0 N north.
 
  B)
 
  3.0 N north.
 
  C)
 
  2.0 N south.
 
  D)
 
  2.0 N north.
 
  E)
 
  0.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

stallen

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

C

Answer to Question 2

C



Alygatorr01285

  • Hero Member
  • *****
  • Posts: 564
Both answers were spot on, thank you once again



stallen

  • Sr. Member
  • ****
  • Posts: 336

 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

For a complete list of videos, visit our video library