Conservation of energy: question 1
a 0.1 kg popper is placed on a table. when it pops up, it reaches a
height of 2.0 meters. what was the initial velocity of the popper off the
table?

1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.

Write a polynomial function with the given zeros x= -1,0,2show your work

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th