Event A occurs before event B in a certain frame of reference. In ...

[jilianpiloj]

Event A occurs before event B in a certain frame of reference. In another frame of reference, event A could occur
 
  A) after event B.
  B) simultaneous with event B.
  C) either of these
  D) neither of these

Question 2

A 30-cm steel rod, 1.0 cm in diameter, supports a 300-kg mass. What is the change in length of the rod? Young's modulus for steel is 20  1010 N/m2.
 
  A) 5.6  10-5 m
  B) 6.5  10-5 m
  C) 5.6  10-6 m
  D) 6.5  10-6 m
  E) 6.5  10-4 m

[poopface]

Answer to Question 1

Answer: C

Answer to Question 2

A

[jilianpiloj]

Thanks for the timely response, appreciate it

[cam1229]

Excellent