Answer:
Part a)
Part b)
direction = downwards
Explanation:
As we know that the negative charge will experience the force due to some other charge below it
the force is given as
now we know that
now plug in all data
since this is a repulsion force so it must be a negative charge
Part b)
As per Newton's III law it will exert equal and opposite force on it
So here the force on the charge below it will be same in magnitude but opposite in direction
so here we have
direction = downwards
That would be false
Explanation:
Answer:
C. 1.43 m/s
Explanation:
Velocity = displacement / time
v = (1 m − -9 m) / 7 s
v = 1.43 m/s