PLEASE HELP! Describe how you could use a negatively charged Van de Graaff generator to induce a positive charge on a previously neutral metal sphere. You may use additional materials.

Which situation will have the highest resistance? a.long wire and high temperatureb.short wire and high temperaturec.long wire and cold temperaturedshort wire and low temperature

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g