Where is most of the mass of an atom located? A. in the nucleus B. in the orbits C. in the electrons Dit is split between the nucleus and the orbits

Kelly has a sample of an unknown substance. Which properties of the substance will be the same no matter how large or small her sample is?

What are three physical properties of sodium

You are given vectors A = 5.0 ˆi - 6.5 ˆj and B = - 3.5 ˆi + 7.0 ˆj. A third vector C lies in the xy-plane. Vector C is perpendicular to vector A, and the scalar (dot) product of C with B is 15.0.

Which interaction of nature is weakest? a. strong c. electromagnetic b. weak d. gravitational

What is the horizontal and vertical components of a force of 10 newtons and a 20 degree angle?

A solid spherical insulator has radius r = 2.5 cm, and carries a total positive charge q = 8 * 10-10 c distributed uniformly throughout its volume. find the magnitude of the electric field |e| at a radius of 5 cm from the origin (i. e.

What are some things cyclists do to reduce friction?

What is used to find true north on a compass? a. equator c. magnetic declination b. prime meridian d. cardinal directions

How does the sun's heat affect the humidity of a place

Which "spheres" are interacting when water evaporates from plants