6. How much voltage would be necessary to generate 100.5 amps of current in a circuit that
1 answer:
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Complete Question
One arm of a U-shaped tube (open at both ends) contains water, and the other alcohol.
If the two fluids meet at exactly the bottom of the U, and the alcohol is at a height of 18 cm, at what height will the water be?Assume the density of alcohol is
Answer:
The height of water is
Explanation:
From the question we are told that
The height of the alcohol is
The density of the alcohol is
Generally the pressure on both arm of the tube are equal given that they are both open
i,e
Where is pressure of alcohol and
is pressure of water
So the pressure on the arm of the tube containing the alcohol is mathematically evaluated as
substituting values
Generally the pressure on the arm of the tube containing the water is mathematically evaluated as
where is the density of water which has a value
So
=>
=>
Answer:
The angle of the launch is 17.09 degrees.
Explanation:
Given that,
The initial speed of a cannon is 100 m/s
It is launched at some angle and it lands after being in the air for 6 s.
We need to find the angle of the launch.
The time taken by the projectile to reach the ground is called the time of flight. It is given by the formula as follows :
Here, = launch angle
Hence, the angle of the launch is 17.09 degrees.