The cylinder has a volume of 37.46 cubic cm
The tape is charged by friction and her hand has an induced opposite charge. They therefore attract.
Answer:

Explanation:
Height reached by the object after push off is given as


now we have


now we know that this push last for total distance of 0.18 m
so during the push we will have



now in terms of g = 9.81 m/s/s we have


The electrostatic force between the two charges is

where q1 and q2 are the magnitudes of the two charges, and r the distance between them.
We can see from the formula that F is proportional to the product between the two charges:

so, if the magnitude of each charge is doubled, the new force will get a factor 4:

So, the new force will be 4 times the original force: