Which object has the most kinetic energy? A) a 4-ton truck ...

[nevelica]

Which object has the most kinetic energy?
 
  A) a 4-ton truck moving 50 km/hr
  B) a 3-ton truck moving 70 km/hr
  C) a 2-ton truck moving 90 km/hr
  D) a 1-ton truck moving 110 km/hr
  E) A, B, C, and D all have the same kinetic energy.

Question 2

Einstein's theory of relativity tells us that travelers who make a high-speed trip to a distant star and back will
 
  A) age more than people who stay behind on Earth.
  B) have more fun than people who stay behind on Earth.
  C) age less than people who stay behind on Earth.
  D) never be able to make the trip within their lifetimes.

[Liddy]

Answer to Question 1

C

Answer to Question 2

C