Which class of elements is most effective at conducting electricity and heat

determine the magnitude and direction of the resultant for a combination of the vectors A: 10.1m, 60 degrees B: 7.3m, 275 degrees

Scientific endeavor should always be pursued, regardless of the known trade offs associated with the research. True or False.?

Oxidation-reduction reactions often result in the release of what type of energy a. heat b. solar c. potential d. mechanical

How do you find a total of displacement

When an object stops moving, changes speed, or changes direction, how does a scientists describe that condition? A. Unbalanced forces B. Frictional force C. A balanced set of forces D. stable factors

Which universal force acts on protons and neutrons in an atom's nucleus?

How many turns are in the secondary coil of a step up transformer that increases voltage from 30 V to 150 V and has seven turns in the primary coil?

What is a nuclear bulge? a) The bulging corner of a spiral galaxy consisting of gas in the shape of a spiral sphere that circles a galaxy b) The bulging center of a spiral galaxy consisting of debris in the shape of a flattened sphere that circles a

Your friend of mass 50 kg can just barely float in fresh water. Calculate her approximate volume.

A flashlight beam strikes the surface of a pane of glass (n = 1.50) at a 61° angle to the normal. what is the angle of refraction?