What was the vo of a car that left skid marks 11m long if mcar=9813.5kg; Knowing "coefficient of kinetic friction μ=0.34; Car brakes to a complete stop.
A) 1.213ms;
B) 2.735ms;
C) 8.566ms;
D) 73.379ms;
What was the vo of a car that left skid marks 11m long if mcar=9813.5kg; Knowing...
When examining the scene of an accident involving two cars, investigators measure 73-m-long skid marks of one of the cars, which nearly came to a stop before colliding. The coefficient of kinetic friction between rubber and the pavement is about 0.90. Estimate the initial speed of that car assuming a level road.
A driver in a 1000 kg car travelling at 20 m/s slams on the brakes and skids to a stop. If the coefficient of friction between the tires and the horizontal road is 0.80, how long will the skid marks be? A) 33m B) 24m C) 21m D)26m
Police investigators, examining the scene of an accident involving two cars, measure 71-mm-long skid marks of one of the cars, which nearly came to a stop before colliding. The coefficient of kinetic friction between rubber and the pavement is about 0.88.
1. In coming to a stop, a car leaves skid marks 65 m long on the highway. Assuming deceleration of 4.00 m/s^2, estimate the speed of the car just before breaking. 2. A baseball is hit almost straight cup into the air with a speed of 25 m/s. Estimate (a) how high it goes, (b) how long its in the air, (c) What factors make this an estimate?
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In coming to a stop, a car leaves skid marks 65 m long on the highway.Assuming a deceleration of 4.00 m/s2 , estimate the speed of the car just before braking.
A car is traveling down a hill that makes an angle of 17° with the horizontal. The driver applies her brakes, and the wheels lock so that the car begins to skid. The coefficient of kinetic friction between the tires and the road is μK = 0.53. (a) Find the acceleration of the car. (Take down the ramp to be the positive direction) (b) How long does the car take to skid to a stop if its initial speed is...
A car is traveling down a hill that makes an angle of 17° with the horizontal. The driver applies her brakes, and the wheels lock so that the car begins to skid. The coefficient of kinetic friction between the tires and the road is μK = 0.59. (a) Find the acceleration of the car. Take down the ramp to be the positive direction. (b) How long does the car take to skid to a stop if its initial speed is...
A car is traveling down a hill that makes an angle of 25° with the horizontal. The driver applies her brakes, and the wheels lock so that the car begins to skid. The coefficient of kinetic friction between the tires and the road is uk = 0.63. (a) Find the acceleration of the car. Take down the ramp to be the positive direction. Submit Answer Tries 0/5 (b) How long does the car take to skid to a stop if...
At the scene of an accident, skid marks from a car coming to a stop are measured as 23.5m long. The posted speed limit is 45 mph and you need to brake on a downhill section of a road which makes angle θ with the horizontal. Find the force in the direction of your displacement. (final answer does not contain normal force). Also, use the Work-Energy Theorem with this force to find the distance required to come to a complete...
An old car is traveling down a long, straight, dry road at 25.0 m/s when the driver slams on the brakes, locking the wheels. The car comes to a complete stop after sliding 235 m in a straight line. If the car has a mass of 755 kg, what is the coefficient of kinetic friction between the tires and the road?