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A policeman starts giving chase 60 seconds after a stolen carzooms by at 108 km>hr. At what minimum speed should hedrive if he has to catch up with the driver before he managesto get onto an expresswa
A policeman starts giving chase 60 seconds after a stolen carzooms by at 108 km>hr. At what minimum speed should hedrive if he has to catch up with the driver before he managesto get onto an expresswa
A policeman starts giving chase 60 seconds after a stolen carzooms by at 108 km>hr. At what minimum speed should hedrive if he has to catch up with the driver before he managesto get onto an expressway 60 km away?
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*** ******* ***** *** *** ********* ** assumed ** ** ********** ** stolen car * ** km/hr= ************** *** * ** *** ( **** ** **** ********* speed **** *** ** simplify calculatuions) Time taken ** ****** *** ** reach ********** * Distance/speed = ************ = **** ************ ********* ** ***** ** ***** *** ****** car has to ***** the same distance ** ** ***** *********** * 2000-60 * 1940 *************** * ***** ****** = ********** * 309 m/s * 11134 *****