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

Author Question: A spaceship traveling at constant speed passes by Earth and later passes by Mars. In which frame of ... (Read 69 times)

Lobcity

  • Hero Member
  • *****
  • Posts: 524
on: Jul 29, 2018
A spaceship traveling at constant speed passes by Earth and later passes by Mars. In which frame of reference is the amount of time separating these two events the proper time?
 
  A) the Earth frame of reference
  B) the Mars frame of reference
  C) the spaceship frame of reference
  D) any inertial frame of reference
  E) any frame of reference, inertial or not

Question 2

A heat engine absorbs 64 kcal of heat each cycle and exhausts 42 kcal. (a) Calculate the efficiency each cycle. (b) Calculate the work done each cycle.
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

frogdreck123456

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

(a) 34
(b) 22 kcal


Lobcity

  • Member
  • Posts: 524
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

adf223

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Earth and the Moon Earth and the Moon
Moon and Earth Moon and Earth
If the particle moves in a circle of radius 0.15 m at a speed of 3.0 m/s, what is the magnitude ... If the particle moves in a circle of radius 0.15 m at a speed of 3.0 m/s, what is the magnitude ...
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ... A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on ... Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on ...
Earth 65 Million Years Ago Earth 65 Million Years Ago
Video: Neuron Structure Animation

For a complete list of videos, visit our video library