A10 kg wagon rests on an inclined plane. the plane makes an angle of 30° with the horizontal. approximately how large is the force required to keep the wagon from sliding down the plane? a) 10 n b) 49 n c) 85 n d) 98 n

When a neutral charge, comes into contact with a positive charge they repel each other nothing happens the neutral charge becomes negative they attract each other

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 velocity of sound wave in air at 35°c is 353m/s, calculate the velocity of sound at 46°c