Recent content by ewnair

I got $1330 which isn't correct. i equated the 2 equations and plugged in Win = 1000 and K = 7.11 to find out Qh. Then i used this value of Qh and K= 5.33 to get Win which is $1330 but the answer is wrong.

Homework Statement Assume that you heat your home with a heat pump whose heat exchanger is at Tc = 2degrees celsius and which maintains the baseboard radiators at Th = 47 degrees celcuiys. If it would cost $1000 to heat the house for one winter with ideal electric heaters (which have a...

Homework Statement 3 blocks A B C are connected by strings as in attached image. The block C is descending with constant velocity. I've worked out the tension in string A B to be 7.31N. The coefficient of kinetic friction between each block and the surface is 0.36 and block a b weighs 20.3N...