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olga nikolaevna [1]
3 years ago
10

What causes an atom to be neutral? Equal number of protons and neutrons Equal distance between the nucleus and electrons Equal n

umber of electrons and protons Equal distribution of electrons
Physics
1 answer:
pishuonlain [190]3 years ago
3 0
C. Equal number of electrons and protons
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what is the force if a block of wood with mass 20 kg slides along a frictionless surface at 2 m/s squared
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Answer:

40 N

Explanation:

F=ma where F is the applied force, m is the mass of object and a is the acceleration.

Since there is no friction, substituting 20 Kg for m and 2 m/s squared for a then we obtain

F=20*2=40 N

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What is one way to lower gravitational potential energy?
il63 [147K]

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4 0
2 years ago
Convert the following:
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Explanation:

A) 1 kg = 1000g

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3 years ago
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Technician A says that current is created in the stator windings of an alternator. Technician B says that the voltage regulator
drek231 [11]

Answer:

Technician A and Technician B both are right.

Explanation:

In an AC alternator,  there are two windings

1. Stator winding (stationary)

2. Rotor winding (rotating)

The current is induced in the stationary coils due to the magnetic field produced by the rotor. The DC suppy is provided to the rotor winding via slip rings and brushes and a voltage regulator precisely controls this supply to control the current flow through the rotor.

Therefore, both technicians are right.

4 0
3 years ago
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