Arifle is aimed horizontally at a target 46 m away. the bullet hits the target 2.0 cm below the aim point. (a) what was the bullet's flight time?

Carbon 14 is a naturally occurring stable

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Asquare isothermal chip is of width w=5 mm on a side and is mounted in a substrate such that its side and back surfaces are well insulated; the front surface is exposed to the flow of a coolant at tinf=15 °c. from reliability considerations, the chip temperature must not exceed t=85 °c. if the coolant is air and the corresponding convection coefficient is h=200 w/m2 x k, what is the maximum allowable "power" of the chip? if the coolant is a liquid for which h=3000 w/m2 x k, what is the maximum allowable power of the chip?