Answer:
Explanation:
gauge pressure due to a liquid column of density d and height h is given by the following expression .
P = hdg
The pressure depends upon height of liquid column and not on the cross sectional area .
In first cylinder .
gauge pressure = .40 atm
hdg = .40 atm
cross sectional area of cylinder = π r²
The radius of second cylinder is twice of the first , cross sectional area will be 4 times .
The volume remains the same when the liquid is poured into second cylinder
volume = cross sectional area x height .
As cross sectional area of second cylinder is 4 times , height of liquid column in second cylinder = h / 4 .
gauge pressure in second cylinder = h / 4 x d x g = hdg / 4
.40 / 4 = .10 atm
gauge pressure in second cylinder = .10 atm.
Answer:
false
Explanation:
I am in need of points sorry
Answer:
The emf is 0.574 volt.
Explanation:
Given that,
Magnetic field
Length = 75.0 m
Velocity = 255 m/s
We need to calculate the emf
Using formula of emf
Where, v = velocity
l = length
B = magnetic field
Put the value into the formula
Hence, The emf is 0.574 volt.
Answer:
answer should be C.) Independent variable since its the one being changed
Explanation:
Answer:
1317140.14091 J
Explanation:
h = Perpendicular distance of the car from the ground = 180sin18
g = Acceleration due to gravity = 9.81 m/s²
u = Initial velocity = 20 kmph
v = Final velocity = 65 kmph
The work done by the engine is given by
The work done by the engine is 1317140.14091 J