Answer:
the sheets approach while the object is near
Explanation:
An electroscope is an apparatus that has two metal sheets attached, when these sheets have a charge and distribute evenly between them and the sheets repel.
When I approach an object charged with a counter (negative) charge, part of the charge of the electroscope moves near the charged external object, to neutralize the electric field, so as the charge on one of the plates decreases the electroscope has approached , as the objects are not touched the system remains in this configuration while the object is close. When the object is released, the electric field it creates disappears, so the positive charges repel inside the electroscope and the sheets repel to the initial position.
In short, the sheets approach while the object is near
Answer :
TRUE
Explanation :
Helium is lighter and is much less dense than most of the gases in our atmosphere hence the blimp, if filled with helium will float in air
the correct answer is D- Acceleration depends indirectly on the mass.
According to Newton's second law, the force F, the mass m and the acceleration a are related as follows:

Therefore,

The acceleration <em>a₁ </em>of the mass<em> m₁ =1 kg</em> is given by,

The acceleration <em>a₂ </em>of the mass <em>m₂=10 kg</em> is given by,

The smaller mass has greater acceleration.
Thus, when the force applied on two bodies of different masses remains constant, then,

Acceleration is inversely proportional to the mass of the body.
Acceleration = (final velocity - initial velocity) / time
Acceleration = 20 - 0 / 3.5
= 5.714 m/s^2
Hope it helped!