Question

In Sussex County, Delaware, a post-Halloween tradition is "Punkin Chunkin," in which contestants build cannons, catapults, trebuchets, and other devices to launchpumpkins and compete for the greatest distance. Though hard to believe, pumpkins have been projected a distance of 4086 feet in this contest. What is the minimuminitial speed needed for a shot o

Answer 1

Givendistance d = 4086 feet= ( 4086 feet ) ( 0.3048 m / 1 feet )= 1245.41 mAccording to law of conservation of energyMinimum initial speed( 1 /2) m v ² = m ghv ² = 2 ghv = ( 2 gh ) ^1/2=( 2 * 9.8 m/s ² * 1245.41 ) ^1/2= 156.2371 m/s