Physics Physics Practice Problems Solutions Library

# Consequences of Relativity Solutions Library

Access 24 Consequences of Relativity video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Consequences of Relativity learn videos.

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24 solutions

Consequences of Relativity

#### Q. In the celestial sphere model, earth is stationary and the stars are carried on a sphere that rotates about an axis that points at the North Star. ...

Solved • Jul 14, 2020

Consequences of Relativity

#### Q. You are a passenger on a spaceship. As the speed of the spaceship increases, you would observe that a. the length of your spaceship is getting long...

Solved • Jun 2, 2020

Consequences of Relativity

#### Q. 1. Your friend travels by you in a spaceship at 90% the speed of light. Which of the following is not true?A. You will see time running more slowly...

Solved • May 21, 2020

Consequences of Relativity

#### Q. Six spaceships with rest lights L0 zoom past an intergalactic speed trap. The officer on duty records the speed of each ship , v. (No ship is going...

Solved • May 21, 2020

Consequences of Relativity

#### Q. Time Dilation Ranking TaskFive identical quintuplets leave earth when they reach the age of 21, in the year 2121. Each quintuplet goes on a spacesh...

Solved • Apr 21, 2020

Consequences of Relativity

#### Q. A spaceship flies at a speed of 0.4c towards a stationary mirror. The ship sends a laserbeam at a wavelength of 500 nm towards the mirror, which re...

Solved • May 16, 2017

Consequences of Relativity

#### Q. It is known that the universe is expanding, so all stars are moving away from us, and the further away they are, the faster they are moving away fr...

Solved • May 16, 2017

Consequences of Relativity

#### Q. Red light is emitted from a source at rest at a wavelength of 650 nm. How fast would this source have to be moving relative to you for you to see i...

Solved • May 15, 2017

Consequences of Relativity

#### Q. Samir (who is standing at rest on the ground) starts his stopwatch at the instant that Maria flies past him in her spaceship. She continues to fly ...

Solved • Apr 20, 2017

Consequences of Relativity

#### Q. An arrow of length 1.00 m flies by you at 0.8c. In the reference frame of the arrow, how long does it take to pass by you?A. 0.75 nsB. 1.25 nsC. 2....

Solved • Apr 20, 2017

Consequences of Relativity

#### Q. An arrow of length 1.00 m flies by you at 0.8c. If you were to measure the time it takes to fly past you, what would you measure this to be?A. 0.75...

Solved • Apr 20, 2017

Consequences of Relativity

#### Q. An arrow of length 1.00 m flies by you at 0.8c. You observe the length of the arrow to beA. shorter than 1 mB. 1 m in lengthC. longer than 1 m

Solved • Apr 20, 2017

Consequences of Relativity

#### Q. Anna boards a spaceship and does an interstellar flight while her twin brother, Carlos waits on Earth. Anna’s ship travels at β = 0.80 and, accordi...

Solved • Apr 20, 2017

Consequences of Relativity

#### Q. A flight in a space ship going half the speed of light takes one hour as measured by a person in the airplane. How long did this flight take accord...

Solved • Apr 20, 2017

Consequences of Relativity

#### Q. A flight in an airplane going 300 m/s takes one hour as measured by a person in the airplane. How long did this flight take according to an observe...

Solved • Apr 20, 2017

Consequences of Relativity

#### Q. In The Planet of the Apes, humans "traveled" into the future by hibernating on a spaceship traveling relative to the Earth for 120 years before ret...

Solved • Apr 14, 2017

Consequences of Relativity

#### Q. Manufactured on Earth, a cube has a side length of 2.0 cm. As a spaceship flies past an observer on Earth, it fires the cube at a speed of 0.7 c re...

Solved • Apr 14, 2017

Consequences of Relativity

#### Q. At what speed does time dilation have a "significant" effect? Assume that significant means a difference in 1% of dilated time and proper time.

Solved • Apr 14, 2017

Consequences of Relativity

#### Q. A subatomic particle called the pion has a measured lifetime of 4.4x10-8 s. If the lifetime of a pion measured at rest is 2.6x10-8 s, how fast is t...

Solved • Apr 14, 2017

Consequences of Relativity

#### Q. Muons are commonly produced in the upper atmosphere due to collisions of cosmic rays with the atoms in the atmosphere. The muons produced commonly ...

Solved • Mar 27, 2017

Consequences of Relativity

#### Q. A spaceship passes an observer on Earth at a speed of 0.7 c. On the ship, an antenna has a length of 1 m and an angle of 15o measured from the surf...

Solved • Mar 27, 2017

Consequences of Relativity

#### Q. A spaceship passes an Earth-bound observer at a speed v. The observer on Earth measures the ship to be 300 m long, but an astronaut on the ship wou...

Solved • Mar 27, 2017

Consequences of Relativity

#### Q. An astronaut travels at 0.8 c from Earth to a star that is 20 light years away from Earth, as measured from the Earth's perspective. If the astrona...

Solved • Mar 27, 2017

Consequences of Relativity

#### Q. Ted travels in a spaceship at 0.45 c relative to Alice, who's at rest on the Earth's surface. Ted travels for 20s, as measured on his watch.  (a) ...

Solved • Mar 27, 2017