A spaceprobe has an 29.0 m length when measured at rest. What length

does an observer measure when the probe is going by at a speed of 0.95c?

The observer sees the space-probe 9.055m long.

Explanation:

Let be the length of the space-probe when measured at rest, and be its length as observed by an observer moving at velocity , then

Now, we know that and , and putting these into we get:

Thus, an observer moving at 0.95c observes the space-probe to be 9.055m long.

with the invention of the automobile, the woman of the house could drive to the store and get groceries. women were also free to socialize more. during world war ii women were allowed to work in factories to the war effort and could drive to work or ride mass transit buses to their jobs.