# Science

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A soccer star is travelling with a car of a mass of 880kg on a horizontal road at a velocity of 30m/s. He immediately applies the brakes so as to stop 50m away. The resistance to motion on the horizontal road is 295N. Calculate the deceleration of the car and the braking force

• Science -

V^2 = Vo^2 + 2a*d.
0 = 30^2 + 2a*50,
a = -9 m/s^2.

-F-Fk = M*a.
-F-295 = 880*(-9),
F = ?.

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