Ten seconds after starting from rest, a car is moving at 40 m/s. ...

[mydiamond]

Ten seconds after starting from rest, a car is moving at 40 m/s. What is the car's acceleration?
 
  A) 0.25 m/s2
  B) 2.8 m/s2
  C) 4.0 m/s2
  D) 10 m/s2
  E) 40 m/s2

Question 2

If a rocket initially at rest accelerates at a rate of 50 m/s2 for one minute, its speed will be
 
  A) 50 m/s.
  B) 500 m/s.
  C) 3000 m/s.
  D) 3600 m/s.

[mammy1697]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: C

[mydiamond]

TYSM

[Dominic]

Wow, this really help