An airplane is cruising at an altitude of several kilometers. The pressure outside the craft is 0.258 atm within the passenger c
ompartment the pressure is 1.00 atm and the temperature is 20∘C. The density of air is 1.20 kg/m3 at 20∘C and 1 atm of pressure. A small leak occurs in one of the window seals in the passenger compartment. Model the air as an ideal fluid to find the speed of the stream of air flowing through the leak.
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Answer:
The velocity of the ball when its hit the ground will be 54.22 m/sec
Explanation:
We have given height from which ball is dropped h = 150 m
Acceleration due to gravity
As the ball is dropped so initial velocity will be zero so u = 0 m/sec
According to third equation of motion we know that
So the velocity of the ball when its hit the ground will be 54.22 m/sec