If you wanted to make your own lenses for a telescope, what features of a lens do you think would affect the images that you can see? use the simulation (geometric optics phet lab) to test your ideas. make a table to summarize how each variable affects how an image looks.

Why is there friction between objects

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.

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