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EastWind [94]
2 years ago
9

How many dots belong in the electron dot diagram of a boron (B) atom?

Physics
1 answer:
pickupchik [31]2 years ago
3 0

THREE IS THE ANSWER

HOPE THIS HELPS

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Natasha_Volkova [10]

Answer:

instruments

Explanation:

5 0
3 years ago
A positive charge, q1, of 5 µC is 3 × 10–2 m west of a positive charge, q2, of 2 µC. What is the magnitude and direction of the
belka [17]
We know, F = 1/4πε * q₁q₂ / r²
Here, q₁ = 5 * 10⁻⁶ C
q₂ = 2 * 10⁻⁶ C
r = 3 * 10⁻² m west

Substitute their values, 
F = (9 * 10⁹) (5 * 10⁻⁶) (2 * 10⁻⁶)  / (3 * 10⁻²)²

F = 100 N  [ East of positive charge ]

Hope this helps!
5 0
3 years ago
Read 2 more answers
The movement of material due to diffreneces in density is called
timofeeve [1]
It is called convection.
7 0
3 years ago
What is the net force on the object?
beks73 [17]

F(net) = Fgrav -Fair

         = 600 -400

         =200N

then net force is equal to 200N..

5 0
3 years ago
Two coils have the same number of circular turns and carry the same current. Each rotates in a magnetic field acting perpendicul
ANEK [815]

Answer:

4.14 cm.

Explanation:

Given,

For Coil 1

radius of coil, r₁ = 5.6 cm

Magnetic field, B₁ = 0.24 T

For Coil 2

radius of coil, r₂ = ?

Magnetic field, B₂ = 0.44 T

Using formula of maximum torque

\tau_{max}= NIAB

Since both the coil experience same maximum torques

now,

NIA_1B_1 = NIA_2B_2

A_1B_1 = A_2B_2

r_1^2 B_1 = r_2^2 B_2

5.6^2\times 0.24= r_2^2\times 0.44

r_2 = 4.14\ cm

Radius of the coil 2 is equal to 4.14 cm.

4 0
3 years ago
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