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

Author Question: The radial velocity curve of a star with an extrasolar planet is a plot of A) radial velocity ... (Read 25 times)

Pineapplelove6

  • Hero Member
  • *****
  • Posts: 560
on: Jul 27, 2018
The radial velocity curve of a star with an extrasolar planet is a plot of
 
  A) radial velocity against luminosity
  B) radial velocity against brightness
  C) radial velocity against distance
  D) radial velocity against time

Question 2

If both the mass and the velocity of a ball are tripled, the kinetic energy is increased by a factor of
 
  A) 18.
  B) 81.
  C) 6.
  D) 9.
  E) 27.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sabina576

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

E


Pineapplelove6

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Jul 27, 2018
Thank you!


sabina576

  • Sr. Member
  • ****
  • Posts: 356
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

Medication errors are three times higher among children and infants than with adults.

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?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Extent of agricultural activity across the planet (data from Foley et al. 2005). Extent of agricultural activity across the planet (data from Foley et al. 2005).
Right Hand Radial Aspect Right Hand Radial Aspect
The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing
Dwarf Planet Eris Dwarf Planet Eris
How to plot a sine function with a negative amplitude and phase shift (Question 3 of 3) How to plot a sine function with a negative amplitude and phase shift (Question 3 of 3)
Sunflower Sea Star, California. Sunflower Sea Star, California.
Video: Graded potentials - electrical characteristics and types

For a complete list of videos, visit our video library