During a race a sprinter increases from 5.0 meters per second to 7.5 meters per second over a period of 1.25 seconds what is the sprinters average acceleration during this period.

What happens to atoms and chemical bonds during a reaction?

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.

Aregular polygon has angkes of size 150° each.how many side has the polygon