A hot air balloon is moving vertically upwards with a speed of 10m/s. A particle is dropped
from it when it is at a height of 120m above the ground. Then (take g = 10m/s).
The time taken by the particle to reach the ground is
a)2s
b) 4s
c) 6s
d) 8s
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Answered by
1
Answer:
here the answer follows option b
Explanation:
first find vfinal then time period
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saitharun1199:
then what is the speed of particle after 2 seconds the particle dripped is
dropped
option a:5m/s
after 2s the v will be 40m/s use v=ut+1/2at^×
2*
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