Multiple Choice
If you see an object moving past you at 90% of the speed of light,what will its length appear to be?
A) The object will look longer than if it were at rest.
B) The object will look shorter than if it were at rest.
C) The object will look shorter than if it were at rest while it is coming toward you and longer after it has passed you.
D) The length of the object will appear to be unchanged from when it is at rest since it is a solid object.
Correct Answer:

Verified
Correct Answer:
Verified
Q11: Particularly powerful supernovae called "hypernovae" occur in<br>A)
Q34: The formation of black holes:<br>A) occurred only
Q35: Each successive stage of core nuclear reactions
Q36: Suppose you are in a jet airliner
Q40: What is the origin of the rings
Q50: In a nova, the radiation outburst is
Q63: What would happen to the gravitational force
Q82: What is Hawking radiation?<br>A) microwaves from the
Q115: A pulsar is a(n)<br>A) rapidly spinning neutron
Q139: A planetary nebula is created<br>A) over several