Answer:
It will take 1.789 sec
Explanation:
We have given height h = 30 m
Initial velocity u = 8 m/SEC
Acceleration due to gravity
Now according to second equation of motion
After solving we get t = -3.42 sec and t = 1.789 sec
As negative time is not possible so time will be 1.789 sec
Horizontal and Vertical are the two motions that combine to produce projectile motion.
Explanation:
600 ÷ 60 = 10
1500 ÷ 10 = 150 minutes
I don't know how you should express the answer in:
So it's either 150 minutes or 2 hours and 30 minutes.
(This is kind of like mathematics, not physics)
Answer:
The surface tension is 0.0318 N/m and is sufficiently less than the surface tension of the water.
Solution:
As per the question:
Radius of an alveolus, R =
Gauge Pressure inside,
Blood Pressure outside,
Now,
Change in pressure,
Since the alveolus is considered to be a spherical shell
The surface tension can be calculated as:
And we know that the surface tension of water is 72.8 mN/m
Thus the surface tension of the alveolus is much lesser as compared to the surface tension of water.