PHY202 Section 0102 Tutorial #10

Question 1

If you run towards a meter stick perpendicular to it with a speed of 0.999999c, what will be the observed length of it?

Accepted Answer

1 m

Question 2

Which of the following represents the amount of matter contained within an object?

Accepted Answer

Rest mass

Question 3

It requires a large, but finite, amount of energy to accelerate an object with mass, m, to the speed of light.

Accepted Answer

False

Question 4

Which of the following is not a postulate of special relativity?

Accepted Answer

Time dilation only affects objects that are moving.

Question 5

If someone is on a ship that is travelling at 0.75c, they will see their own clock move more slowly than normal.

Accepted Answer

False

Question 6

If one is travelling 1 km/s towards the edge of a meter stick, how will the observed length of the meter stick change?

Accepted Answer

Almost no change

Question 7

Neutrinos, in vacuum, travel at the speed of light, c.

Accepted Answer

False

Question 8

If someone is walking towards a flashlight with a speed, v, what will they measure the speed of light to be?

Accepted Answer

c

Questions 8