Power efficiency is defined as the ratio of the output power divided by the input power:
Efficiency= out/in • 100%
So, (120 - 45)J / 120J • 100% = 62.5%
Equal both equations to 180.
Psychology took so long to emerge as a scientific discipline because it needed time to consolidate. Understanding behavior, thoughts and feelings is not easy, which may explain why it was largely ignored between ancient Greek times and the 16th century. ... Wilheim Wundt developed the first psychology lab in 1879.
I don’t know the answer and you shouldn’t give so many points out cos people will just take them
