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MArishka [77]
4 years ago
11

If a car accelerates at a constant rate of 3m/s^2, what is the velocity of the car after 4 seconds

Physics
2 answers:
vaieri [72.5K]4 years ago
6 0

It'll be 12 m/s greater than it was when the acceleration began.

Ne4ueva [31]4 years ago
3 0

V=d/t

V=3/4

V=0.75

Hope this helps and is correct :)

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Explanation :

It is given that,

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The static and dynamic friction coefficient is, \mu=0.5

Let a is the acceleration of the car. Since, the car is in motion, the coefficient of sliding friction can be used. At equilibrium,

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\dfrac{F_A-\mu mg}{m}=a

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a=-3.905\ m/s^2

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