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You can put this solution on YOUR website!
Distance formula: D = rt where r is the rate (speed) and t is time.
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document.write( "In this case for part A:
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document.write( "D = what must be found.
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document.write( "r = 22 m/s
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document.write( "t = 30 minutes * 60 seconds/minute = 1800 seconds. (Convert minutes to seconds because the speed is given in meters per second.)
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document.write( "D = 22*1800 = 39600 meters = 39.6 kilometers from town.
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document.write( "Part B: Use D=rt to find how far the train traveled in 50 seconds.
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document.write( "D = what must be found.
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document.write( "r = 22 m/s
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document.write( "t = 50 seconds.
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document.write( "D = 22 * 50 = 1100 meters.
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document.write( "The train began 300 meters south of town, which the problem specifies as -300. It moved 1100 meters north, which is +1100, so its position is now:
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document.write( "1100-300= 800. For the problem, +800 means 800 meters north of town.\r
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document.write( "($3.50-$5.50 per problem. Contact me (check the profile \"website\" which is \r
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document.write( "my email address.
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