1. Which of the following has the least potential energy? a. A car driving on the highway b. A man on the top of a ladder. c. An orange sitting on top of a table.
d. A ball in the pitcher’s hand waiting to be thrown.

What is the frequency of a light wave with a wavelength of 620nm

The extremely high temperatures needed to trigger nuclear fusion are proposed to be generated by laser irradiating a spherical pellet of deuterium and tritium fuel of diameter 1.8 mm. (a) determine the maximum fuel temperature that can be achieved by irradiating the pellet with 200 lasers, each producing a power of 550 w. the pellet has an absorptivity 0.3 and emissivity 0.8.

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm