Please help me. A bicycle is travelling at a speed of 5.00m/s. If the radius of the wheel is 32.0cm, then it’s frequency of rotation must be ___Hz

Why does lightning travel from clouds to the ground?

Ain is , is 's of ? 0.62 0.79 1.27 1.50

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.