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While thinking of Isaac Newton, a person standing on a bridge overlooking a highway inadvertently drops an apple over the railing just as the front end of a truck passes directly below the railing. If the vehicle is moving at 55 km/h (= 34 mi/h) and is 12 m (= 39 ft) long, how far above the truck must the railing be if the apple just misses hitting the rear end of the truck?

While   thinking   of  Isaac   Newton,   a  person   standing   on   a bridge   overlooking    a highway   inadvertently    drops  an  apple over the railing  just  as the front  end of a truck  passes  directly below  the railing.  If the vehicle  is moving  at 55 km/h   (= 34 mi/h)   and  is  12  m  (= 39  ft)  long,  how  far  above  the  truck must  the railing  be if the apple just  misses  hitting  the rear  end of the truck?

Grade:10

1 Answers

Jitender Pal
askIITians Faculty 365 Points
8 years ago
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