Two cars, separated by a distance, begin moving toward each other at speeds of 1m/s and 2n/s along a straight road; what is the speed at which they approach each other 1 with respect to 2?

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Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two