Qual unidade de midia usado pelo si no tempo

Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves