To solve this problem it is necessary to apply the concepts given by Malus regarding the Intensity of light.
From the law of Malus intensity can be defined as
Where
Angle From vertical of the axis of the polarizing filter
Intensity of the unpolarized light
The expression for the intensity of the light after passing through the first filter is given by
Replacing we have that
Re-arrange the equation,
Re-arrange to find \theta
The value of the angle from vertical of the axis of the second polarizing filter is equal to 30.2°
Answer:
15.64 KN
Explanation:
mass of the elevator cab with a single occupant= 2300 kg
acceleration relative to the cab 
= 6.80 m/s^2
acceleration of the coin relative to the cab in the opposite direction of motion of cab so we can consider it as a= -6.80 m/s^2
The acceleration of elevator cab relative to the ground 
now we can say that
=-6.80+ a_{eg}= -9.8
[tex]a_{eg}=-9.8+6.80=-3.8
The forces that act on elevator cab are tension and gravitational, applying newtons second law
T- mg= ma_{eg}
Then the tension in the cable is
T= 2300(-3.8)+2300×9.8= 15640 N= 15.64 KN
therefore tension in the string will be 15.64 KN
Answer: I think the answer <em><u>MIGHT</u></em> be: Boron, germanium, and tellurium....
Explanation:I know this cuz I had this question on my unit test and I had to look it up online....Hope this helps
I really hope you guys find this helpful and thx so much for rating :D
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UwU ;-;
Answer:
They're are Conditions .... (L00K D0WN.)
Explanation:
Conditions for equilibrium require that the sum of all external forces acting on the body is zero (first condition of equilibrium), and the sum of all external torques from external forces is zero (second condition of equilibrium). These two conditions must be simultaneously satisfied in equilibrium.
Answer:
U= 1.9*10^-7
Explanation:
given:
<em>L=8 cm</em>
<em>d_1=d_2=2.05_10^-3</em>
<em>K_py=4.3</em>
<em>K_po=3</em>
<em>V_ab=86 V</em>
required
U=??
solution:
the energy stored in the capacitor
U=1/2C_t*V^2_ab (1)
voltage is known but capacitance is not
we can consider the two plates of polystyrene and pyrex glass as a two separate capacitors connected on series so the total capacitance of series capacitor is given by:
1/C_t= 1/C_py+1/C_po (2)
the capacitance of polystyrene
C_po=K_po*A/d
=8.9*10^-11
= 89 pF
the capacitance of pyrex
C_py=K_py*A/d
=128 pF
substitution in 2 yields
1/C_t= 1/128+1/89
C_t= 52.6 pF
substitution in 1 yields
U=1/2C_t*V^2_ab
= 1.9*10^-7
