PLS ANSWER FAST TIMED TEST WILL GIVE True or False?
It is easier to carry an empty backpack than a backpack full of books. This is an example of Newton’s 2nd law.

What is the rate of change in a objects position?

If forces acting on an object are unbalanced. true or false

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th