Recent content by inevitable?

v1= 20 m/s d=200 m t= 14 s a= ? v2= ?

v1 is 20 m/s where did you get 3 for a?

oh trust me, no amount of practise will ever make me better at this and I don't know .. i have a test tomorrow and i wanted extra problems and someone got one from someone and that's what they sent me..

so I am not completely hopeless?

no i want the velocity

Homework Statement a motorist is driving at 20m/s when she sees that a traffic light 200m ahead had just turned red. she knows that this light stays red for 15s, and she wants to reach the light just as it turns green again. it takes her 1.0s to stop on the brakes and begin slowing. what is...