a ball is thrown straight upward from ground level with a velocity of 41 m/s how much time passes before the ball hits the groun
1 answer:
You might be interested in
Answer:
a)
b)
Explanation:
Given:
height of water in one arm of the u-tube,
a)
Gauge pressure at the water-mercury interface,:
we've the density of the water
b)
Now the same pressure is balanced by the mercury column in the other arm of the tube:
<u>Now the difference in the column is :</u>