« previous next »

Author Question: A radio station broadcasts at 80 MHz. How long does it take for this radio signal to travel a ... (Read 2571 times)

chads108

  • Hero Member
  • *****
  • Posts: 507
on: Jul 29, 2018
A radio station broadcasts at 80 MHz. How long does it take for this radio signal to travel a distance of 20  106 m?
 
  A) 0.15  10-2 s
  B) 15 ms
  C) 6.7  10-2 s
  D) 20 ms
  E) 25 ms

Question 2

A car is moving in a circular path. At a certain instant, it has zero tangential acceleration and a non-zero centripetal acceleration. What is the car doing at that instant?
 
  What will be an ideal response?


flexer1n1

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

C

Answer to Question 2

It is moving with a non-zero velocity and zero instantaneous angular acceleration.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Associative Long-Term Potentiation Associative Long-Term Potentiation
Memory saver. The part numbers represent components from Radio Shack®. Memory saver. The part numbers represent components from Radio Shack®.
Major Categories of Long-Term Memory Major Categories of Long-Term Memory
C heck the description bcuz the question is too long. there is a file attached but it is the ... C heck the description bcuz the question is too long. there is a file attached but it is the ...
If you are able to earn 6.2% compounded semi-annually in an account, how long will it take for ... If you are able to earn 6.2% compounded semi-annually in an account, how long will it take for ...
Twenty percent of the automobiles inspected at a state inspection station required repairs to ... Twenty percent of the automobiles inspected at a state inspection station required repairs to ...
Video: PET Scan Animation

For a complete list of videos, visit our video library