Which equation is used to calculate the magnetic force on a charge moving in a magnetic field? F = |q|vBcos F = |q|vBsin F = |q|
2 answers:
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Answer:
W = 30 J
Explanation:
given,
Work done = 10 J
Stretch of spring, x = 0.1 m
We know,
dW = F .dx
we know, F = k x
k = 2000
now, calculating Work done by the spring when it stretched to 0.2 m from 0.1 m.
W = 1000 x 0.03
W = 30 J
Hence, work done is equal to 30 J.
