document.write( "Question 734358: a boy in a train throws a ball in forward direction with speed of 20miles per hour.if train is moving with speed of 80 miph what is speed of ball as measured by observer on ground
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Algebra.Com's Answer #448890 by Alan3354(69443)\"\" \"About 
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a boy in a train throws a ball in forward direction with speed of 20miles per hour.if train is moving with speed of 80 miph what is speed of ball as measured by observer on ground
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\n" ); document.write( "20 + 80 = 100 mi/hr
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