For a spherical mirror, the focal length is equal to the radius of curvature of the mirror.
a.

one-fourth

c.

one-half

b.

one-third

d.

the square of

The slope of a good speed time indicates ? a. velocity b. acceleration c. direction d. speed

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.