An air-standard dual cycle has a compression ratio of 9. at the beginning of compression, p, 100 kpa, t, 300 k, and v 14 l. the heat addition is 22.7 kj, with one half added at constant volume and one half added at constant pressure. determine (a) the temperatures at the end of each heat addition process, in k. (b) the net work of the cycle per unit mass of air, in kj/kg. (c) the thermal efficiency. (d) the mean effective pressure, in kpa

What is magnetic flux? explain faraday's law of induction.

Which of these metals are magnetic?

In the future, people will only enjoy one sport: electrodisc. in this sport, you gain points when you cause metallic discs hovering on a field to exchange charge. you are an electrodisc player playing the popular four disc variant. the disks have charges of qa = −8.0 µc, qb = −2.0 µc, qc = +5.0 µc, and qd = +12.0 µc. (1) you bring two disks together and then separate them. you measure the resulting charge of these two disks and find that it is +5.0 µc per disk. which two disks did you bring together? (a) a and b (b) a and c (c)a and d (d)b and c(e) b and d (f) c and d. (2) you bring three disks together and then separate them. you measure the resulting charge of these three disks and find that it is +3.0 µc per disk. which three disks did you bring together? a, b, and c (a) a, b, and d (c) a, c, and d (d) b, c, and d. (3) given the resulting charge of each disk measured in (b) is +3.0 µc, how many electrons would you need to add to a disk of this charge to electrically neutralize it? electrons