IDNLearn.com: Your trusted source for finding accurate and reliable answers. Our platform provides accurate, detailed responses to help you navigate any topic with ease.
PLEASE help me with these questions as soon as possible i need to turn it in!!!!
A 60 watt light bulb uses 60 joules of electrical energy every second. However, only 6 joules of electrical energy is converted into light energy each second.
a. What is the efficiency of the light bulb? Give your answer as a percentage.
b. What do you think happens to the “lost” energy?
19. The work output is 300 joules for a machine that is 50% efficient. What is the work input?
20. A machine is 75% efficient. If 200 joules of work are put into the machine, how much work output does it produce?
Thank you for using this platform to share and learn. Keep asking and answering. We appreciate every contribution you make. Your questions deserve precise answers. Thank you for visiting IDNLearn.com, and see you again soon for more helpful information.