Been stuck on this problem plz me. will give brainiest. choose all the answers that apply. magnetism 1.) is caused by the spinning motion of electrons 2.) can be used to create electricity 3.) is a property of most metals 4.) is the force of attraction or repulsion between objects 5.) is measured in watts

How many molecules are present in 3 mols of silicon dioxide (sio2)?

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.

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.