At an accident scene on a level road, investigators measure a car's skid mark to be 78 m long. It was a rainy day, so the coefficient of friction was estimated to be 0.30. Use this data to determine the speed of the car (in m/s) when the driver slammed on the brakes?

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.