document.write( "Question 516061: (a) A highway patrolman traveling at the speed limit is passed
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document.write( "by a car going 15 mph faster than the speed limit. After one
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document.write( "minute, the patrolman speeds up to 100 mph. How long after
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document.write( "speeding up until the patrolman catches up with the speeding
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document.write( "car. The speed limit is 55 mph.
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document.write( "(b) Same question, but this time the patrolman speeds up to a
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document.write( "speed of v mph (v>70).\r
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document.write( "(a)_______ minutes
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document.write( "(b)________ minutes \n" );
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Algebra.Com's Answer #344239 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Car speed 70 mph \n" ); document.write( "Patrolman speed 100 mph \n" ); document.write( "Car speed 10:00 \n" ); document.write( "Patrolman speed 10:30 \n" ); document.write( "Car speed will have covered 1.17 miles before Patrolman speeds up \n" ); document.write( "catch up distance= 1.17 miles \n" ); document.write( "catch up speed = 100 -70 mph \n" ); document.write( "catch up speed = 30 mph \n" ); document.write( "Catchup time = catchup distance/catch up speed \n" ); document.write( "catch up time= 1.17 / 30 \n" ); document.write( "catch up time= 0.04 hours 2.33 minutes\r \n" ); document.write( "\n" ); document.write( "catchup speed = v-70 \n" ); document.write( "catchup distance = 1.17 miles \n" ); document.write( "time taken = 1.17/(v-70) *60 minutes \n" ); document.write( " |