Author Question: A supertrain (rest-length = 100 m) travels at a speed of 0.950 c as it passes through a tunnel ... (Read 85 times)

09madisonrousseau09

  • Hero Member
  • *****
  • Posts: 559
A supertrain (rest-length = 100 m) travels at a speed of 0.950 c as it passes through a tunnel (rest-length 50.0 m). As seen by a trackside observer, is the train ever completely within the tunnel? If so, by how much?

Question 2

The period of a pendulum is 2.0 s in a stationary inertial frame of reference. What is its period when measured by an observer moving at a speed of 0.60 c with respect to the inertial frame of reference?



nicoleclaire22

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

yes, by 18.8 meters

Answer to Question 2

2.5 s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

For a complete list of videos, visit our video library