It takes 86 joules of energy to raise a box 2 meters using the pulley setup shown above.
...
Chemistry, 22.04.2020 01:49 michaelandtammytrice
It takes 86 joules of energy to raise a box 2 meters using the pulley setup shown above.
Without the pulley, the box can be raised 2 meters using only 82 joules of energy. What could explain this 4-joule difference?
A.
When raising the box using the pulley, 4 joules of mechanical energy are broken down into protons, neutrons, and electrons.
B.
When raising the box using the pulley, 4 joules of mechanical energy are transformed into water.
C.
When raising the box using the pulley, 4 joules of mechanical energy are converted into heat energy due to friction.
D.
When raising the box using the pulley, 4 joules of mechanical energy are destroyed.
Answers: 2
Chemistry, 21.06.2019 22:00, creepycrepes
Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
Answers: 2
Chemistry, 22.06.2019 05:30, sethjohnson386pbnm3x
Modern weaponry has increased the number of deaths in wars and violent conflicts.
Answers: 3
Chemistry, 22.06.2019 23:00, maddyleighanne
Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry
Answers: 3
Chemistry, 23.06.2019 00:00, familyk0jj3
How do you determine the percent yield of a chemical reaction
Answers: 1
Mathematics, 05.10.2019 19:20
Mathematics, 05.10.2019 19:20
Spanish, 05.10.2019 19:20
Mathematics, 05.10.2019 19:20
History, 05.10.2019 19:20
English, 05.10.2019 19:20