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OLga [1]
3 years ago
8

How many atoms of hydrogen in the product side of the balanced equation

Physics
1 answer:
Anettt [7]3 years ago
6 0

The same number there were on the reactant side, before the reaction.

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4. For a point charge, we derived an expression from Gauss’s law for the electric field a distance r away. You have a point char
IrinaVladis [17]

Answer:

Explanation:

A point charge of +2q centered in a conductive spherical shell of inner diameter a and outer diameter b will induce - 2q charge on the inner surface and +2q charge on the outer surface of the shell. Since 8q charge has been added to the shell , this charge will reside on the outer surface of the shell. so total charge on the outer surface will be 10q.  At a point less than a , the electric field will be due to +2q charge situated at the centre . The electric field will be as follows

E = k .2q / r² for r < a

= 8kq/ a²

electric field at a point  r = a>b

total charge  lying inside is +2q - 2q = 0 . So in the thickness of the shell , electric field will be zero as total charge inside is nil.

For a point at r > b total charge inside is 2q-2q+10q = 10q , so electric field at r which is lying outside  the shell .

E = k 10 q / r² for r > b

8 0
3 years ago
What are two types of charges that particles possess
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Particles can either have a positive or negative charge.
5 0
3 years ago
What is gravity? I need help.
sweet [91]
<span>the force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton's laws of gravity apply, with minor modifications to take the general theory of relativity into account.</span>
8 0
3 years ago
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What is the purpose of the overrunning clutch in the starter drive?
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5 0
3 years ago
How much thermal energy is created when a 3000 kg suv brakes to a stop from 20 m/s on a level road?
JulsSmile [24]

Answer:

b. 600,000 J

Explanation:

Applying the law of conservation of energy,

The thermal energy created = Kinetic energy of the suv.

Q' = 1/2(mv²)............... Equation 1

Where Q' = Thermal energy, m = mass of the suv, v = velocity of the suv.

From the question,

Given: m = 3000 kg, v = 20 m/s

Substitute these values into equation 1

Q' = 1/2(3000×20²)

Q' = 600000 J

Hence the right option is b. 600,000 J

5 0
3 years ago
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