An automobile manufacturer claims that its product will, starting ...

[gbarreiro]

An automobile manufacturer claims that its product will, starting from rest, travel 0.40 km in 9.0 s. What is the magnitude of the constant acceleration required to do this?
 a. 9.9 m/s2
  b. 8.9 m/s2
  c. 6.6 m/s2
  d. 5.6 m/s2
  e. 4.6 m/s2

Question 2

In 2.0 s, a particle moving with constant acceleration along the x axis goes from x = 10 m to x = 50 m. The velocity at the end of this time interval is 10 m/s. What is the acceleration of the particle?
 a. +15 m/s2
  b. +20 m/s2
  c. -20 m/s2
  d. -10 m/s2
  e. -15 m/s2

[sabina576]

Answer to Question 1

A

Answer to Question 2

D

[gbarreiro]

Thank you!

[sabina576]

Always glad to help...