You drop a stone from a bridge to the river below. After this ...

[mwit1967]

You drop a stone from a bridge to the river below. After this stone has traveled a distance d, you drop a second stone. The distance between the two stones will always
 
  A) increases.
  B) decreases.
  C) stays constant.
  D) increases at first, but then stays constant.
  E) decreases at first, but then stays constant.

Question 2

From the edge of a roof top you toss a green ball upwards with initial velocity v0 and a blue ball downwards with the same initial velocity. When they reach the ground below,
 
  A) the green ball will be moving faster than the blue ball.
  B) the blue ball will be moving faster than the green ball.
  C) the two balls will have the same speed.

[Li Jun]

Answer to Question 1

A

Answer to Question 2

C

[mwit1967]

Gracias!

[ASDFGJLO]

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