A flight carrying food packets is flying at a height of 1960m
from the ground. The speed of the
flight is given. Find the time taken for a food packet dropped
at that instance to hit the ground.
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Answer / shalini
Time taken by food packet to reach ground is 20 seconds
we use formula S=UT+1/2gT2
S= Distance covered
U= initail velocity of Food packet
g= acceleration due to gravity (constant g=9.8 m/sec2)
T= time taken to reach destination.
here S= 1960 m
U= 0 m/sec (since the food packet has nbo initial
vertical velocity component ,because the flight is
travelling in the horizontal direction only)
sustitute all in the euation we get time as 20 secs
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