Thank you for visiting A car slams on its brakes creating an acceleration of tex 3 2 text m s 2 tex It comes to rest after traveling a. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
The velocity of the car before it began to accelerate is 36.6 m/s.
What is the initial velocity of the car?
The initial velocity of the car is calculated by applying the third kinematic equation.
v² = u² - 2as
where;
- v is the final velocity of the car
- u is the initial velocity of the car
- a is the acceleration of the car
- s is the distance travelled by the car
When the car stops, the final velocity, u will be equal to zero.
v² = u² - 2as
0 = u² - 2as
u² = 2as
u = √ (2as)
u = √ ( 2 x 3.2 x 210 )
u = 36.6 m/s
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