Galileo was the first scientist to do which of the following?

Explanation:

According to a different source, these are the options that come with this question:

Galileo Galilei was the first person to attempt to measure speed, specifically the speed of light. He attempted to do this in the 1600s, with the help of an assistant. Galileo tried to measure how quickly light would travel from one hilltop to another one. However, light was so fast that it was impossible to measure it in this way.

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach

higher potential

explanation:

because it is in a high speed so it must move into a of high potential