A 3.00kg cart on a frictionless track is pulgadas by a string so that it accelerates at 2.00m/s/s. what is the tensión in the string?

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

If element x has 99 protons how many electrons does it have

A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?