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CaHeK987 [17]
3 years ago
14

What two element is present in biotite mica that is not present in muscovite mica?

Physics
1 answer:
lara31 [8.8K]3 years ago
3 0

Potassium iron magnesium aluminum silicate hydroxide and Potassium magnesium aluminum silicate hydroxide.

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A car runs around a circular race track from the point A to diametrically opposite point B The radius of the circle is ‘r’ . The
Anna35 [415]

Answer:

Distance = πr

Displacement = 2r

Explanation:

First we need to find the distance covered by the car. As the car is travelling on a circular path and it traveled to a diametrically opposite point on the circular path. Therefore, the distance covered by the car must be the half value of the circumference.

Distance = Circumference/2

Distance = 2πr/2

<u>Distance = πr</u>

Since, displacement is the straight line distance between two points. So, the displacement in moving from a point to its diametrically opposite point must be equal to the diameter of circle:

Displacement = Diameter

<u>Displacement = 2r</u>

8 0
3 years ago
A circuit is constructed with six resistors and two batteries as shown. the battery voltages are v1 = 18 v and v2 = 12 v. the po
VladimirAG [237]

Answer:

V4=9.197v

Explanation:

Given:

V1= 18v ,V2= 12v ,r1=r5=58ohms ,r2=r6=124ohms , r3=47ohms ,r4= 125ohms

V4= I4R4 = V2/(R4 + R5)×R4

V4= 12×125 /(125 + 58)

V4=1500/183 =9.197v

5 0
3 years ago
Which element can combine with chlorine to make the best conductor of electricity when in the liquid form?
Svetach [21]
The best and most correct answer among the choices provided by your question is the third choice or letter C.

Lithium is the <span>element that can combine with chlorine to make the best conductor of electricity when in the liquid form because </span><span>it has a much lower electronegativity value.</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
3 0
3 years ago
A light source radiates 60.0 W of single-wavelength sinusoidal light uniformly in all directions. What is the average intensity
umka21 [38]

Answer: 29.85\ W/m^2

Explanation:

Given

Power P=60\ W

Distance from the light source r=0.4\ m

Intensity is given by

I=\dfrac{P}{4\pi r^2}

Inserting values

\Rightarrow I=\dfrac{60}{4\pi (0.4)^2}\\\\\Rightarrow I=\dfrac{60}{2.010}\\\\\Rightarrow I=29.85\ W/m^2

3 0
3 years ago
Read 2 more answers
A bowling ball has a mass of 5 kg. What happens to its momentum when the speed increases from 1 m/s to 2 m/s?
Alona [7]
<span>The initial momentum is 5 kg m/s and the final momentum is 10 kg m/s

'cause P = m*v, when we increase either m or v, P also increases by the same expression, 

P = 5 * 2 = 10

So, option D is your answer!!

Hope this helps!

</span>
5 0
3 years ago
Read 2 more answers
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