Answer:
The electric field is
and the ditection is from outer to inner side of the membrane.
Explanation:
We know the electric field (
) is given by
, 'V' being the potential.
In 1-D, it can be written as

where 'd' is the separation of space in between the potential difference is created.
Given,
and the thickness of the cell membrane is
.
Therefore the created electric field through the cell membrane is

Answer:
Net force on the wagon is 200 N
Explanation:
As we know by Newton's II law that net force on the system of mass is given as product of mass and acceleration
Here we know that
mass = 100 kg
a = 2 m/s/s
now we have



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Answer:
Mechanical
Explanation:
Electromagnetic waves are waves that have no medium to travel whereas mechanical waves need a medium for its transmission.