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 42 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
Great answer, keep it coming :)

marict

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

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?

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

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

The roles of transpiration, cohesion, adhesion, and tension in long-distance water transport. The roles of transpiration, cohesion, adhesion, and tension in long-distance water transport.
Muscle length versus isometric force Muscle length versus isometric force
Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu
Ayurvedic massage. Long sweeping stroke from foot around shoulder and down the arm, recipient prone. Ayurvedic massage. Long sweeping stroke from foot around shoulder and down the arm, recipient prone.
Calculate the magnitude and direction of the resultant for Calculate the magnitude and direction of the resultant for
physics question number 5 - moving conductors physics question number 5 - moving conductors
Video: Bone processes - resorption and deposition, remodeling and response to stress in adult bones

For a complete list of videos, visit our video library