Grade 11 Physics, Need Help

  • Thread starter mat1101
  • Start date
  • #1
42
1

Homework Statement


Accelerating uniformly at a rate of 0.20m/s^2 from initial velocity of 3.0m/s, how long will it take to travel a distance of 12m


Homework Equations





The Attempt at a Solution


Answer is 3.5 seconds
But I don't know how you get that

Also another question

Chris accelerrates his massive SUV from rest at a rate of 4.0m/s^2 for 10s. he then travels at a constant velocity for 12s and finally comes to rest over a displacement of 100m. Determine his total displacement and average velocity,

Answer is 780m;29m

Please help!!!!
 

Answers and Replies

  • #2
6
0
well do you know the equations for kinematics problems?

I.e

x=x_0 + V_0*t + .5at^2
 

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