Anew record for running the stairs of the empire state building were set on february 4, 2003. the 86 flights, with a total of 1576 steps, was run in 9 minutes and 33 seconds. if the height gain of each step was 0.20 m, and the mass of the runner was 70.0 kg, what was his average power output during the climb? give your answer in both watts and horsepower.
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Physics, 21.06.2019 22:00, oliviaschmitt0
Which type of microscope would allow the viewer to see ribosomes inside a cell?
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Physics, 22.06.2019 12:50, keilahsalmon
The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.
Answers: 2
Physics, 22.06.2019 14:40, kellypechacekoyc1b3
Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
Answers: 3
Physics, 22.06.2019 18:30, ImBADatmath8743
Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction
Answers: 1
Anew record for running the stairs of the empire state building were set on february 4, 2003. the 86...
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