A car that is initially moving at 7.50 m/s begins to accelerate ...

[Medesa]

A car that is initially moving at 7.50 m/s begins to accelerate forward uniformly at 0.550 m/s2.
  (a) How long after beginning to accelerate does it take the car to move 3.50 km?
  (b) How fast is the car moving just as it has traveled 3.50 km?
 
  What will be an ideal response?

Question 2

The speed of a bullet fired from a gun will be about the same as the speed of the recoiling gun
 
  A) when momentum is conserved.
  B) because velocity is conserved.
  C) when both velocity and momentum are conserved.
  D) if the masses of the bullet and gun are equal.
  E) none of the above

[billybob123]

Answer to Question 1

(a) 1.00  102 s (b) 62.5 m/s

Answer to Question 2

Answer: D

[Medesa]

Thanks for the timely response, appreciate it

[kthug]

Excellent