A new conveyor system at the local packaging plan will utilize a motor-powered mechanical arm to complete 10,680 Joules of work in
22 seconds. Determine the power output required of such a motor,

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j

Where do magnetic lines of force enter earth?