If a star 100 light-years away explodes, the time for the ...

[Pineapplelove6]

If a star 100 light-years away explodes, the time for the gravitational waves to reach Earth is 100 years as measured from
 
  A) any uniformly moving reference frame.
  B) any accelerating reference frame.
  C) any reference frame, accelerated or not.
  D) the reference frame of the waves.
  E) Earth.

Question 2

If the amplitude of the motion of a simple harmonic oscillator is doubled, by what factor does the frequency of the oscillator change?
 
  A) 2
  B) 4
  C) 1
  D) 1/2
  E) 1/4

[emily12345]

Answer to Question 1

Answer: E

Answer to Question 2

C

[Pineapplelove6]

TYSM

[nyrave]

Gracias!