Q. 474.0( 5 Votes )
A particle of mas
Mass of the particle: m
Charge of the particle: q
initial velocity of the particle when thrown : u
Uniform electric field : E
When a charge q moves in an uniform electric field E, it experiences an electric force F.
But this particle is thrown against the electric field, hence the force experience would be negative.
According to Newton’s Second Law:
Where a is the acceleration and m is the mass of the body.
We will be using one of the equations of motion.
Here, v is the final velocity of the particle, u is the initial velocity, a is the acceleration and s is the displacement.
Since particle comes to rest, final velocity: v=0
Hence, the particle will travel units before coming to rest.
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