A 0.0434-m3 container is initially evacuated. Then, 4.19 g of water is placed in the container, and, after some time, all of the
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Answer:
Net forces which pushes the window is 30342.78 N.
Explanation:
Given:
Dimension of the office window.
Length of the window = m
Width of the window = m
Area of the window =
Difference in air pressure = Inside pressure - Outside pressure
= atm =
atm
Conversion of the pressure in its SI unit.
⇒ atm =
Pa
⇒ atm =
Pa
We have to find the net force.
We know,
⇒ Pressure = Force/Area
⇒
⇒
⇒ Plugging the values.
⇒
⇒ Newton (N)
So,
The net forces which pushes the window is 30342.78 N.
The force per unit length between the two wires is
Explanation:
The magnitude of the force per unit length exerted between two current-carrying wires is given by
where
is the vacuum permeability
are the currents in the two wires
r is the separation between the two wires
For the wires in this problem, we have
r = 2.00 cm = 0.02 m
Substituting into the equation, we find
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