A car starts from rest and accelerates uniformly at 3 m/s2. A ...

[Chloeellawright]

A car starts from rest and accelerates uniformly at 3 m/s2. A second car starts from rest 6 s later at the same point and accelerates uniformly at 5 m/s2. How long does it take the second car to overtake the first car?
 
  A) 24.0 s
  B) 12.2 s
  C) 35.0 s
  D) 18.9 s
  E) 22.7 s

Question 2

A girl throws a rock horizontally with a speed of 12.0 m/s from a bridge. It falls 2.28 s before reaching the water below.
 
  (a) How high is the bridge from the water below?
  (b) How far horizontally does the rock travel before striking the water?

[tsternbergh47]

Answer to Question 1

E

Answer to Question 2

(a) 25.5 m/s
(b) 27.4 m

[Chloeellawright]

Thanks for the timely response, appreciate it

[milbourne11]

Wow, this really help