A dog sees a cat and runs for 10 s at 4.8 m/s before the cat runs up a tree
and where the dog stops and waits patiently. How far did the dog run?

6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.

What is the major limitation to the light microscope?

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?