What does the equivalence principle say? A) Gravity is the ...

[asan beg]

What does the equivalence principle say?
 
  A) Gravity is the same thing as curvature of spacetime.
  B) The effects of gravity are exactly equivalent to the effects of acceleration.
  C) You cannot distinguish between motion at constant velocity and weight in a gravitational field.
  D) The effects of relativity are exactly equivalent to those predicted by Newton's laws of motion.
  E) All observers must always measure the same (equivalent) weights for moving objects.

Question 2

At which lunar phase(s) are tides most pronounced (for example, the highest high tides)?
 
  A) both first and third quarters
  B) both new and full Moons
  C) full Moon only
  D) new Moon only
  E) third quarter Moon only

[234sdffa]

Answer to Question 1

B

Answer to Question 2

D

[asan beg]

Both answers were spot on, thank you once again

[234sdffa]

Great! Please up vote