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Relativistic Velocity Addition

Total questions: 10

Worksheet time: 16mins

Name
Class
Date
1.
The speed of light (c) =
a)
3 x 10miles/hour
b)
3 x 10meters/second
c)
3 x 10kilometers/hour
d)
none of these
2.
The speed of light is constant in all frames of reference.
a)
True
b)
False
3.
A train slowing down as it climbs a hill is an example of an inertial frame of of reference.
a)
True
b)
False
4.
A train stopped at a station is an inertial frame of reference.
a)
True
b)
False
5.
A train moving with a constant speed is an example of an inertial frame of reference.
a)
True
b)
False
6.
What does the relativity of simultaneity say?
a)
Two events may occur at the same time in one reference frame, but not another.
b)
If two events occur at the same time in one reference frame, they will occur at the same time in all reference frames.
7.

Mr Drucker is riding in a x-wing fling at 0.75c towards the Death Star. He shoots a laser ahead of him. At what velocity does he see the laser move away from him?

a)

0.75c

b)

1.75c

c)

c

d)

Not enough information is given

8.

Mr Drucker is riding in a x-wing fling at 0.75c towards the Death Star. He shoots a laser ahead of him. At what velocity does the officer in the death star, looking out the bathroom window, see the laser moving towards him?

a)

0.75c

b)

1.75c

c)

c

d)

Not enough information is given

9.

Sky Captain Drucker, leader of the Brainiacs space football team, is riding on his rocket traveling 0.8c. He throws the football towards the front of the ship at 0.6c. What speed would an outside observer, at rest, measure for the football?

a)

0.92c

b)

0.85c

c)

1.40c

d)

0.90c

e)

0.95c

10.

What would be the best estimate for the speed of a missile, measured by an observer at rest if it is shot by a rocket moving at 0.50c, and the crew of the rocket measures the missile's velocity as 0.60c

a)

0.85c

b)

c

c)

0.55c

d)

1.10c