A sign posted gives a maximum recommended speed of 65 km/h for a certain curve on level ground. The curve is a circular arc with a radius of 95 m. What is the centripetal acceleration of a car that takes this curve at the maximum recommended speed?

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

Identify the type of heat transfer occurring when chocolate melts in your hand

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.