A fire hose exerts a force on the person holding it. This is because the water accelerates as it goes from the hose through the nozzle. (a) How much force is required to hold a d_1-cm-diameter hose delivering Q through a d_2-cm-diameter nozzle

Can you think of a way a rock unit with an older fossil could be above a rock until with a younger fossil? describe the scenario.

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?

What is the specific heat of wood ?