Which of the following is an example of the electrostatic force acting in an atom?

a. a proton attracting an electron.
b. an electron attracting another electron.
c. a neutron atttacting a proton.
d. a neautron attracting an electron

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.

Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work