A heat pump maintains a dwelling at 688F. When operating steadily, the power input to the heat pump is 5 hp, and the heat pump receives energy by heat transfer from 558F well water at a rate of 500 Btu/min. (a) Determine the coefficient of performance.(b) Evaluating electricity at $0.10 per kW h, determinethe cost of electricity in a month when the heat pumpoperates for 300 hours.
▯ ▯ Tuesday, August 30, 2016 HDFS▯ Viewpoint▯ -we are active participants in our own lives▯ -we attempt to make sense of our experiences▯ -we construct our understanding using the mental processes available to us, and these mental processes change over the course of development▯ -we attempt to make our new understanding consistent with our previous understand- ing, ▯ -experiences with other people are central to our development, ▯ -experiences with us change the people we relate to in our lives, and ▯ -what we can experience depends on where we are in time and place. ▯ —people around us are going to help us develop. ▯ —we may not be aware of the impact we have on other people by just being around them.
