A circus performer walked up and to the right for a total displacement of 10\,\text m10m10, start text, m, end text along a diag
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Answer:
Explanation:
The fundamental charge of a single electron is .
If there are 10 excess electrons, the net charge that would be measured should be 10 times the fundamental charge of a single electron:
As per the question the mass of the boy is 50 kg.
The boy sits on a chair.
We are asked to calculate the force exerted by the boy on the chair at sea level.
The force exerted by boy on the chair while sitting on it is nothing else except the force of gravity of earth i.e the weight of the body .The direction of that force is vertically downward.
At sea level the acceleration due to gravity g = 9.8 m/s^2
Hence the weight of the boy [m is the mass of the body]
we have m = 50 kg.
Hence w = 50 kg ×9.8 m/s^2
=490 N kg m/s^2
= 490 N
Here newton [N] is the unit of force.