Welcome to Westonci.ca, the place where your questions are answered by a community of knowledgeable contributors. Connect with professionals on our platform to receive accurate answers to your questions quickly and efficiently. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

Which of the the input Shelly does on a rake is 80J the output work the rate does on the leaves that 70 J what is the efficiency of the rake is potential energy gravitational energy stored in an object 10 meters above ground the energy of an electron moving through copper wire the energy stored in the bonds of a carbohydrate molecule or the energy stored in the nucleus of uranium Adam

Sagot :

Answer: The efficiency Shelly does is 87.5%.

(70J/80J) x 100% = 87.5%

Answer 2: Gravitational potential energy would be considered an object 10 meters above the ground.