« previous next »

Author Question: A spectroscopic binary shows periodic variations in its a. radial velocity. b. proper motion. ... (Read 21 times)

jrubin

  • Hero Member
  • *****
  • Posts: 552
on: Jul 27, 2018
A spectroscopic binary shows periodic variations in its
 
  a. radial velocity.
  b. proper motion.
  c. brightness.
  d. mass.
  e. spectral type.

Question 2

What is the wavelength of light that has a frequency of 3 MHz?
 
  a. 9  1014 Hz
  b. 1  1014 m
  c. 9  1014 m
  d. 100 m
  e. 0.01 m


hugthug12

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

A plot of trophic diversity across the major groups of organisms shows highest trophic diversity amo A plot of trophic diversity across the major groups of organisms shows highest trophic diversity amo
Radial Nerves of the Hand Radial Nerves of the Hand
Range of Motion of the Hip Joint, Flexion with Knee Flexed Range of Motion of the Hip Joint, Flexion with Knee Flexed
Select the proper adapter for the compression gauge. The threads on the adapter should match those ... Select the proper adapter for the compression gauge. The threads on the adapter should match those ...
The two types of neural migration: radial migration and tangential migration. The two types of neural migration: radial migration and tangential migration.
Moving the hip through its full range of motion. Moving the hip through its full range of motion.
Video: Energy Flow - Trophic Levels and Food

For a complete list of videos, visit our video library