A 1kg rock is dropped 50m off a bridge. How much PE did it have
before it was dropped?

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

The act of moving from one place to another. a. locomotor b. aerobic c. stationary d. static

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