Question 9 is 100 N.
Question 10 is No, the bike's motion is not changing so it could be at rest or moving at a constant velocity.
Question 11 is Be doubled.
Question 12 is Ella is correct.
Hope i helped.
Answer:
Explanation:
As we know that
E = 1.8 kV/mm
now we know that electric field between the plated of capacitor is given as
now we will have
now we have
now we have area of the plates of capacitor
Answer:
2.210N
Explanation:
Workdone = Force x distance
Distance = 38m , Workdone = 84J
Hence 84J = Force x 38m
Force = 84J / 38m
Force = 2.210N =2.2N
In the frame of reference of anybody in the car.