A car traveling 90 km/hr is 100 m behind a truck traveling 50 km/hr. How long will it take the car to reach the truck?
2 answers:
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Answer:
The magnitude of electron acceleration is
Explanation:
Given:
Distance from the wire to the field point m
Speed of electron
Current A
For finding the acceleration,
First find the magnetic field due to wire,
Where
T
The magnetic force exerted on the electron passing through straight wire,
N
From the newton's second law
Where mass of electron
kg
So acceleration is given by,
Therefore, the magnitude of electron acceleration is