« previous next »

Author Question: If you drop a rock from a great height, about how fast will it be falling after 5 seconds, ... (Read 32 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570
on: Jul 27, 2018
If you drop a rock from a great height, about how fast will it be falling after 5 seconds, neglecting air resistance?
 
  A) It depends on how heavy it is.
  B) It depends on what shape it is.
  C) 10 m/s
  D) 15 m/s
  E) 50 m/s

Question 2

Quasars can emit as much as thousands of times as much energy as normal galaxies.
 
  Indicate whether the statement is true or false


Pariscourtney

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Foliage height diversity and bird species diversity (data from MacArthur and MacArthur 1961). Foliage height diversity and bird species diversity (data from MacArthur and MacArthur 1961).
Regions of Exceptionally Hot Rock Regions of Exceptionally Hot Rock
Eels - Can't Help Falling In Love Eels - Can't Help Falling In Love
The “Big Four” world leaders meet at the Hotel Crillon in Paris, 1919. From left to right (front row The “Big Four” world leaders meet at the Hotel Crillon in Paris, 1919. From left to right (front row
Great Pyramids, Giza Great Pyramids, Giza
Drop Dead Healthy Drop Dead Healthy
Video: Interview with Person who has Panic Attacks

For a complete list of videos, visit our video library