Posted by **ashley --** on Saturday, April 30, 2011 at 12:05am.

If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to be?

Choose one answer.

a. The length of the rod remains the same.

b. The length of the rod will become twice its original value.

c. The length of the rod will become half of the original value.

d. The length of the rod will decrease.

- physics -
**drwls**, Saturday, April 30, 2011 at 5:47am
d.

## Answer this Question

## Related Questions

- physics - If an observer is traveling parallel to a rod at twice the speed of ...
- physics - If a rod is moving at a velocity equal to 1/2 the speed of light ...
- Physics - If a rod is moving at a velocity equal to 1/2 the speed of light ...
- physics - A.An observer moving at a speed of 0.810 c relative to a rod measures...
- Physics - The length of the rod will become exactly half of its original value. ...
- Physics - The length of the rod will become exactly half of its original value. ...
- Physics - The length of the rod will become exactly half of its original value. ...
- physics - An observer measures the length of an object. In which of the ...
- Math, Algebra - Rod a is twice as long as rod b, rod c is 1/12m shorter than rod...
- physics - A box is cubical with sides of proper lengths L1=L2=L3=2.0m when ...

More Related Questions