A wheel rotates with a constant angular acceleration of 4.50 rad/s^2. If the initial angular velocity is 3.75 rad/s, how much time is required to complete 28.0 rad? a. 0.70 s
b. 4.46 s
c. 7.47 s
d. 0.45 s
e. 2.79 s

Two identical 82 mg dust particles very far apart (pee 0) are moving directly toward each other at a speed of 3698 m/s. the charge on each is-719 ? c. determine how close they will get to each other. let k = 9x109 n-m2/c2 & ignore gravity.

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm

The energy equivalent of the rest mass of an electron is