The forces acting on a child sitting in a seat are described by the free-body diagram shown.
What is the net force acting on the child?
Fx = 100 N
OL100 N
O ON
0 100 N
© 200 N
F = -100 N

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.

What are atoms of the same element with varying number of neutrons

If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.