# Physics Help!!

A passenger on an interplanetary express bus traveling at v = 0.94c takes a seven-minute catnap by his watch. How long does the nap last from your vantage point on a fixed planet?

1. 👍
2. 👎
3. 👁
1. t =tₒ/sqrt(1 -β²) = 7/ sqrt(1 -0.94²) =
= 20.5 min

1. 👍
2. 👎

## Similar Questions

1. ### mathematics

Two towns T and S are 300km apart, two buses A and B started from town T at the same time moving towards town S, Bus B traveling at speed 10km/h greater than bus A and reached S 1 1/4 hours earlier. Find the average speed of A?

2. ### math

Two towns P and Q are 400 km apart. A bus left for P and Q. It stopped at Q for one hour and then started the return to P. one hour after the departure of the bus from P, a trail also heading for Q left P. the trailer met the

3. ### physics

A passenger on an interplanetary express bus traveling at = 0.95 takes a 9.0-minute catnap, according to her watch.How long does her catnap from the vantage point of a fixed planet last?

4. ### English

1. He was late because he missed the bus. [In this sentence, what does 'the bus' mean? Does the bus mean the specific bus? The school bus which his schoool has, or the Number 12 bus which he usualy takes when he comes to school?

1. ### physics

A passenger in a helicopter traveling upwards at 20 m/s accidentally drops a package out the window. If it takes 15 seconds to reach the ground, how high to the nearest meter was the helicopter when the package was dropped?

2. ### Physics

how many revolutions per minute would a 5.8 metre radius ferris wheel need to make for the passenger to feel weightless at the topmost point? mass of passenger is 55.00 kg.

3. ### Distance Problems

A bus and a car leave the same place and travel in opposite directions. If the bus is traveling at 50 mph and the car is traveling at 55 mph, in how many hpurs will they be 210 miles apart. Again please help me with the boxes, Im

4. ### math

The London Eye is a large ferris wheel. Each sealed and air-conditioned passenger capsule holds about 25 passengers. The diameter of the wheel is 135 m, and the wheel takes about half an hour to complete one revolution. a)

1. ### Physics

A passenger on a bus moving with uniform velocity lurches forward when the bus stops suddenly. Explain? I do not understand this

2. ### physics

A passenger on a stopped bus notices that rain is falling vertically just outside the window. When the bus moves with constant velocity, the passenger observes that the falling raindrops are now making an angle of 18 with respect

3. ### Physics ??

A passenger sitting in the rear of a bus claims that she was injured as the driver slammed on the braked, causing a suitcase to come flying toward her from the front of the bus. If you were the judge in this case, what disposition

4. ### Math

A bus is traveling at 79.7 kilometers Er hour east, how far does the bus travel 1.45 hours?