The ground observer shown here sees the cans explode at the same ...

[pepyto]

The ground observer shown here sees the cans explode at the same time, yet the observer in the van sees the can on the right explode first. Suppose instead that the cans were side-by-side, one on the driver's side of the van and the other on the passenger's side. If the ground observer again saw the cans explode at the same time, what would the observer in the van see?
 a. The can on the driver's side of the van explodes first.
  b. The can on the passenger's side explodes first.
  c. The cans explode at the same time.

Question 2

The second postulate of special relativity is that:
 a. The speed of light in a vacuum depends on the relative motion of the source and observer.
  b. The speed of light in any medium is the same constant.
  c. The speed of light is slower for a moving observer.
  d. The speed of light in a vacuum is a constant independent of the speed of either the source or the observer.
  e. The speed of light in a vacuum depends on its motion through the ether.

[leannegxo]

Answer to Question 1

c

Answer to Question 2

d

[pepyto]

Excellent

[cici]

Gracias!