Question

A food packet was dropped from an aircraft flying horizontally 6 second before it hits the ground it was at a height of 780 M and had travelled a distance of 1 km horizontally find the speed and altitude of the aeroplane

Answer 1

Answer: 360km/hr,1.28km

Explanation:

780=usinθ×6+12×g×36

780−180=usinθ×6

using θ=6006=100m/sec

i.e. food package dropped before 10 secs

1000=u×10⇒u=100m/s

∴H=g×(16)22=1280m.