A ball falls 350 centimeters. Is it positive or negative? (Sorry I've been asking these a lot just want to make sure I'm getting
2 answers:
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Answer:
The velocity of jet in still air is and velocity of wind is
.
Step-by-step explanation:
Let x be the rate of the jet in still air and y be the rate of the wind.
Given:
Velocity against wind, a jet travels 2160 miles in 3 hours.
Velocity against wind
Flying with the wind, same jet travels 6000 miles in 6 hours.
Flying with the wind
As such its velocity against wind is
and with wind is
therefore
------------(1)
---------------(2)
Adding equation 1 and 2.
Put x value in equation 2
Hence velocity of jet in still air is and velocity of wind is
.