A ski area rope-tow pulls a 72.0-kilogram skier from the bottom to the top of a 40.0-meter-high hill.
The rope-tow exerts a force of magnitude 158 newtons to move the skier a total distance of 230.
meters up the side of the hill at constant speed. Determine the total amount of work done by the
rope on the skier.
Answers: 1
Physics, 22.06.2019 16:50, boopiee2349
Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.
Answers: 1
Physics, 23.06.2019 04:10, jennycrapson
The release of energy by the nucleus of atom as a result of nuclear fission is radiant energy true false
Answers: 2
Physics, 23.06.2019 06:30, deebroussard
Pl i beg u so much now propane burns in oxygen to produce carbon dioxide and steam. the unbalanced equation for this reaction is: c3h8 + o2 β co2 + h2o use coefficients to balance this equation. a) c3h8 + 3 o2 β 3 co2 + 4 h2o b) c3h8 + o2 β 3 co2 + 4 h2o c) c3h8 + 5 o2 β 3 co2 + 4 h2o d) 2 c3h8 + 5 o2 β 3 co2 + 4 h2o
Answers: 1
A ski area rope-tow pulls a 72.0-kilogram skier from the bottom to the top of a 40.0-meter-high hill...
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