A1000.-kilogram roller coaster goes down a hill that is 90. meters tall. its speed at the bottom is 40. m/s. a. what is the efficiency of the roller coaster? assume it starts from rest at the top of the hill., b. what do you think happens to the “lost” energy? ,c. use the concepts of energy and efficiency to explain why the first hill on a roller coaster is the tallest
Answers: 1
Another question on Biology
Biology, 21.06.2019 15:00
Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)
Answers: 1
Biology, 22.06.2019 00:00
What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.
Answers: 3
Biology, 22.06.2019 04:00
As studied this week in the cell cycle, we saw how a cell moves through its life with a plan. as you transition from a student at uma to a valued member of your chosen career field, what will you put into place in your life to manage and to fit the new responsibilities of your career into your current life?
Answers: 2
You know the right answer?
A1000.-kilogram roller coaster goes down a hill that is 90. meters tall. its speed at the bottom is...
Questions
Chemistry, 10.12.2020 09:10
Mathematics, 10.12.2020 09:10
Mathematics, 10.12.2020 09:10
Mathematics, 10.12.2020 09:10
Mathematics, 10.12.2020 09:10
Mathematics, 10.12.2020 09:10
English, 10.12.2020 09:10
Arts, 10.12.2020 09:10
Spanish, 10.12.2020 09:10
Mathematics, 10.12.2020 09:10
