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

Author Question: An object moves in a circular path at a constant speed. Compare the direction of the object's ... (Read 89 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Jul 29, 2018
An object moves in a circular path at a constant speed. Compare the direction of the object's velocity and acceleration vectors.
 
  A) Both vectors point in the same direction.
  B) The vectors point in opposite directions.
  C) The vectors are perpendicular to each other.
  D) The acceleration is zero but the velocity is constant.

Question 2

Which of these uses thermal energy to do work?
 
  A) a person walking uphill
  B) a hot air balloon
  C) an electric heater
  D) All of the above.
  E) None of the above.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

JaynaD87

  • Sr. Member
  • ****
  • Posts: 368
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

B


penza

  • Hero Member
  • *****
  • Posts: 1,022
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


JaynaD87

  • Sr. Member
  • ****
  • Posts: 368
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Types of transporters based on the direction of transport. Types of transporters based on the direction of transport.
The rapid speed of cAMP production The rapid speed of cAMP production
Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere
Lithotripsy. The direction of a sound pulse crushes the stones into smaller fragments that can be pa Lithotripsy. The direction of a sound pulse crushes the stones into smaller fragments that can be pa
Retrograde pyelogram. A contrast medium is injected into the ureter using a cystoscope, and the X-ra Retrograde pyelogram. A contrast medium is injected into the ureter using a cystoscope, and the X-ra
How to evaluate a function containing the constant k How to evaluate a function containing the constant k
Video: System organization - PPM system types (Somatic, Autonomic & Enteric) and Reflex arc types

For a complete list of videos, visit our video library