A rod 14.0 cm long is uniformly charged and has a total charge of 222.0 mc. determine (a) the magnitude and (b) the direction of
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Answer:
Δp = 620 N.s
Explanation:
- Newton's second law, was originally conceived as follows:
- In this way, a net force applied on an object, is equal to the rate of change of the momentum of the object regarding time.
for m= constant, it reduces to F= m*a.
- Replacing in (1) F= 62 N, and Δt = 10.0 s, we can solve for Δp (object's change in momentum) , as follows:
Let 10 nC and 20 nC charge is placed at "d" distance
now let say we will have a point at distance "x" from 10 nC at which electric field will be zero
now we will have
now plug in all data
square root both sides
so yes there will exist a point between 10 nC and 20 nC charge at which electric field will be zero