A police man investigating an accident measures the skid marks left by a car. He determines that the distance between the point that the driver slammed on the brakes and the point where the car came to a stop was 48.2 m. From a reference manual, he determines that the coefficient of kinetic friction between the tires and the road under the prevailing conditions was 0.300. How fast was the car going when the driver applied the brakes? (This car was not equipped with anti-lock brakes) @Mathematics

Question

A police man investigating an accident measures the skid marks left by a car. He determines that the distance between the point that the driver slammed on the brakes and the point where the car came to a stop was 48.2 m. From a reference manual, he determines that the coefficient of kinetic friction between the tires and the road under the prevailing conditions was 0.300. How fast was the car going when the driver applied the brakes? (This car was not equipped with anti-lock brakes)    @Mathematics

anonymous · Answer

You are missing your mass. It must be there some where.

anonymous · Answer

lol

anonymous · Answer

the masses will cancel out when deriving the formula

anonymous · Answer

so you have it then?

anonymous · Answer

i have solved it,thanks for ur consign