Suppose a child drives a bumper car head on into the side rail which exerts a force of 4000 N on the car for 0.200 s. What impulse is imparted by this force to the car in kg m/s

How are positive ions different from neutral atoms

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.

The diagram shows an example of convection. which label belongs on the arrow? a) warmer water sinks b) warmer water rises c) cooler water sinks d) cooler water rises