The figure shows a positive charge placed in a uniform electric field. Is the force exerted on the +1 C charge directed up or do
wn?
2 answers:
Answer:
DOWN
Explanation:
When a positive charge is placed in uniform or nonuniform electric field then due to the Electric field present in that region the charge will experience electrostatic force on itself.
This electrostatic force is given as
here we know
q = charge
E = electric field
Now if charge is positive then force on the charge is always in the direction of electric field but if charge is negative then force is exactly opposite to electric field direction.
So here it will have force in the direction of electric field which is DOWN
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Explanation:
It is given that,
Mass of Millersburg Ferry, m = 13000 kg
Velocity, v = 11 m/s
Applied force, F = 10⁶ N
Time period, t = 20 seconds
(a) Impulse is given by the product of force and time taken i.e.
(b) Impulse is also given by the change in momentum i.e.
(c) For new velocity,
Hence, this is the required solution.