A table-top fan has radius of 0.5 m. It starts to rotate from rest to 800 rpm within 30 seconds. Determine: the angular acceleration
how many revolutions have it gone through after 1 minute?
If the rotational inertia of each blade around the center is 0.3 kg. m2 , what is the magnitude of the torque provided by the motor of the fan, assuming no friction anywhere.

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.

Which of the following statements are true for an isothermal process? check all that apply. - during an isothermal process, the work done by the gas equals the heat added to the gas. - during an isothermal process, the internal energy of the system changes. - an isothermal process is carried out at constant temperature. - an isothermal process is carried out at constant pressure. - an isothermal process is carried out at constant volume.