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vo = 25 m/sec <span>vf = 0 m/sec </span> <span>Fμ = 7100 N (Force due to friction) </span> <span>Fg = 14700 N </span> <span>With the force due to gravity, you can find the mass of the car: </span> <span>F = ma </span> <span>14700 N = m (9.8 m/sec²) </span> <span>m = 1500 kg </span> <span>Now, we can use the equation again to find the deacceleration due to friction: </span> <span>F = ma </span> <span>7100 N = (1500 kg) a </span> <span>a = 4.73333333333 m/sec² </span> <span>And now, we can use a velocity formula to find the distance traveled: </span> <span>vf² = vo² + 2a∆d </span> <span>0 = (25 m/sec)² + 2 (-4.73333333333 m/sec²) ∆d </span> <span>0 = 625 m²/sec² + (-9.466666666667 m/sec²) ∆d </span> <span>-625 m²/sec² = (-9.466666666667 m/sec²) ∆d </span> <span>∆d = 66.0211267605634 m </span> <span>∆d = 66.02 m</span>
