2. Assume that the brakes in your car create a constant deceleration of 3.9 m/s2 regardless of how fast you are driving. If you double your driving speed from 15 m/s to 30 m/s, does the time required to come to a stop increase by a factor of two or a factor of four. Verify your answer by calculating the stopping times for both speeds?

Which sentences describe point source pollution? in this type of pollution, the source of the pollution is single and easily identifiable. when runoff water from the melting of snow mixes with debris, it creates pollution. the runoff water, mixed with pollutants, reaches large areas with disastrous effects. alternatively, when a wastewater treatment plant releases harmful chemicals into a stream, the chemicals pollute the stream water because they are not treated for safety.