General expression is;
Pressure = Force/Area
In which,
Pressure = Required pressure + Atmospheric pressure = (1.2*10^5) + (101325) = 221325 Pa = 221325 N/m^2
Area = πD^2/4 = π*0.035^2/4 = 9.621*10^-4 m^2
Therefore,
Force, F = Pressure*Area = 221325*9.621*10^-4 = 212.94 N
Answer:
a) 390J
b) 322J
c) 68J
Explanation:
We need to calculate the power given by the battery. the power is given by:
Watts is J/s so:
The thermal energy in the wire is given by:
And the the dissipated thermal energy in the battery will be the remainig energy:
Answer:
4
Explanation:
As you can see in the free body diagram there are 4 forces acting on the body.
Answer: What do you mean which of the following is science ?
Explanation:
