The specifications for a ceiling fan you have just bought indicate that the total moment of inertia of its blades is 0.23 kg â· m2 and they experience a net torque of 2.8 n â· m.

(a) what is the angular acceleration of the blades in rad/s2? rad/s2

(b) when the blades rotate at 205 rpm, what is the rotational kinetic energy, in joules? j

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Which of the following is an example of units for speed

Why don't you see your reflection in water with waves or repples