A narrow beam of light is incident from air on the surface of a rectangular
glass prism of refractice index 1.5. The
angle between the reflected light and
the refracted light is 90
. Calculate the
angle of Incidence
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Is it possible to use the energy from two atoms colliding to create a clean burning lasting fuel source with a large amount of force? is it also possible to harness that energy from the two atoms colliding to create a clean energy source that will last for years from just two atoms colliding. is there a possibility to control and store that energy for years but slowly let the energy out enough to power cities cheaper and faster.

An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx