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1 answer:
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Answer:
The final pressure of the whole system is 34.80 atm.
Explanation:
Given that,
Volume = 45.0 ml
Volume of first bulb = 77.0 mL
Pressure = 8.89 atm
Volume of second bulb = 250 mL
Pressure = 2.82 atm
Volume of third bulb = 21.0 mL
Pressure = 8.42 atm
We need to calculate the final pressure of the whole system
Using formula of pressure
Where, = pressure of first bulb
= pressure of second bulb
= pressure of third bulb
= initial pressure of tube
= Volume of first bulb
=Volume of second bulb
= Volume of third bulb
= Initial volume of tube
Put the value into the formula
Hence, The final pressure of the whole system is 34.80 atm.
Answer:
a) 0.21N/C
b) counterclockwise
Explanation:
a) to find the magnitude of the electric field you can use the following formula:
A: area of the ring = pi*r^2
E: electric field
Ф_B: magnetic flux
In the line integral you can assume E as constant. Furthermore, you calculate the change in the magnetic flux by taking into account that the time interval is 1.12/0.21=5.33s. By replacing in the formula you obtain:
the magnitude if the induced electric field is 0.21N/C
b) By the Lenz's law you can conclude that the current has a direction in a counterclockwise