« previous next »

Author Question: If you drop a rock from a great height, about how fast will it be falling after 5 seconds, ... (Read 82 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?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Measuring Patient Height Measuring Patient Height
Great Blue Lobelia Great Blue Lobelia
The relationship between the height of the firing line and length of the spark line can be ... The relationship between the height of the firing line and length of the spark line can be ...
Rub for at least 15 seconds. Particles and pathogens become suspended in the soapy lather and are ... Rub for at least 15 seconds. Particles and pathogens become suspended in the soapy lather and are ...
Video: Activation Energy - Valence Electrons

For a complete list of videos, visit our video library