Asked by jason

A race car is moving with a velocity of 144 kilometers/hour. The driver applies the brakes, and the car comes to a halt in 12.0 seconds. What is the average acceleration of the car during those 12.0 seconds?
Answered by Star
what grade are you in
Answered by jason
11th
Answered by Star
ohh, bye i'm in 8th- sorry
Answered by Purple-pin
I'll help you Jason.
the formula is a = F / m
Force (F) = 12 and Mass (m) = 144,
a = 12/144
a = 0.08
( A is Acceleration)
You're welcome!
Answered by jason
thx but the awnser for me to choose from are:

A.
–12.0 meters/second2
B.
–3.3 meters/second2
C.
3.3 meters/second2
D.
10.3 meters/second2
Answered by Purple-pin
I would say the answer is A because 144 is 12×12 or 12 squared (12^2)
Answered by jason
thank tyou
Answered by Purple-pin
You're welcome :)
Answered by ur mum
no u
There are no AI answers yet. The ability to request AI answers is coming soon!