The Sun is divided into three regions. True оr False?
2 answers:
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The plastic rod is made of insulator (plastic), so it does not allow charges moving from one sphere to another. This means that all the electrons given to sphere A will remain on sphere A.
The number of electrons initially given to sphere A is
, and since the charge of 1 electron is 
, the net charge left on sphere A after the removal of the rod will be
The number of electrons initially given to sphere A is
Velocity of the fly: 1318 m/s
Explanation:
The kinetic energy of an object is the energy possessed by the object due to its motion. It can be calculated as
where
m is the mass of the object
v is its speed
For the fly in this problem, we have
is the mass
K = 5.95 J is the kinetic energy
Solving for v, we find its velocity:
Learn more about kinetic energy:
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