Physics, 10.06.2021 22:10 angie0000

Se estudia el intercambio de energía de un deportista de alto rendimiento que realiza una actividad física. Los datos obtenidos son los siguientes: Trabajo realizado: 94,81 kcal
Cantidad de calor: 247,8 kcal
Duración del ejercicio : 115,6min
a)Realice un esquema del sistema y el entorno especificando las cantidades de calor y trabajo intercambiadas
b) Calcular la potencia mecánica desarrollada por el atleta y expresarla en kcal/hora
c) Calcular la potencia térmica desarrollada por el atleta y expresarla en kcal/hora
d)Calcular la tasa metabólica de esta persona y expresarla en kcal/hora
e) Suponiendo que el calor sale del organismo principalmente mediante la evaporación del sudor ¿Cuánta agua deberá beber este atleta para reponer la que perdió por transpiración?

Answers: 1

Show answers

Another question on Physics

Physics, 22.06.2019 03:30

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

Answers: 1

Answer

Physics, 22.06.2019 11:20

If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t − 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12−3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s

Answers: 1

Answer

Physics, 22.06.2019 15:30

Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work

Answers: 1

Answer

Physics, 22.06.2019 22:40

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages

Answers: 2

Answer

You know the right answer?

Se estudia el intercambio de energía de un deportista de alto rendimiento que realiza una actividad...

Questions