A projectile of a mass of 0.650 KG is shot straigth up with anintial speed of 16

Question

A projectile of a mass of 0.650 KG is shot straigth up with anintial speed of 16.0 m/s. Find: A) How high it would go if there was no air firction? B)If the projectile rises to a maximum height of 11.1m,determine the magnitude of the average force due to airresistance. A projectile of a mass of 0.650 KG is shot straigth up with anintial speed of 16.0 m/s. Find: A) How high it would go if there was no air firction? B)If the projectile rises to a maximum height of 11.1m,determine the magnitude of the average force due to airresistance.

Explanation / Answer

   From law of conservation of enregy      1/2 mv2 = mgh therefore height        h = v2 / 2g =(16)2 / 2(9.8) = 13.06 m

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