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27 Nov 2019
King Arthur's knights fire a cannon from the top of the castlewall. The cannonball is fired at a speed of 54 m/s and an angle of32^\circ above horizontal. A cannonball that was accidentallydropped hits the moat below in 1.6 s.
a)How far from the castle wall does the cannonball hit theground?
b)What is the ball's maximum height above the ground? Assume thatthe height of the ground is the same as the moat.
King Arthur's knights fire a cannon from the top of the castlewall. The cannonball is fired at a speed of 54 m/s and an angle of32^\circ above horizontal. A cannonball that was accidentallydropped hits the moat below in 1.6 s.
a)How far from the castle wall does the cannonball hit theground?
b)What is the ball's maximum height above the ground? Assume thatthe height of the ground is the same as the moat.
Elin HesselLv2
11 Oct 2019
