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

Author Question: A meterstick moving in a direction parallel to its length appears to be only 60.0 cm long to an ... (Read 35 times)

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
on: Jul 28, 2018
A meterstick moving in a direction parallel to its length appears to be only 60.0 cm long to an observer. What is the meterstick's speed relative to the observer? (c = 3.00  108 m/s)
 a. 1.19  108 m/s
  c. 2.93  108 m/s
  b. 2.40  108 m/s
  d. 2.75  108 m/s

Question 2

How fast would a rocket have to move past a ground observer if the latter were to observe a 3.0 length shrinkage in the rocket length? (c = 3.00  108 m/s)
 a. 1.2  108 m/s
  c. 0.73  108 m/s
  b. 0.60  108 m/s
  d. 0.12  108 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

emilymalinowski12

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


CharlieWard

  • Member
  • Posts: 578
Reply 2 on: Jul 28, 2018
:D TYSM

upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

This girl has a long leg cast, which was applied after surgery to correct her clubfoot. This girl has a long leg cast, which was applied after surgery to correct her clubfoot.
Anatomical terms for location and direction. Anatomical terms for location and direction.
Effect of the direction of flagellar rotation Effect of the direction of flagellar rotation
Video: Cell mediated immune response to a viral infection Animation

For a complete list of videos, visit our video library