Un trabajador de una construcción sube con velocidad constante un cuerpo de 20 kg de masa hasta una altura de 3 m, empleando un tiempo

4 answers
Question:

Un trabajador de una construcción sube con velocidad constante un cuerpo de 20 kg de masa hasta una altura de 3 m, empleando un tiempo de 10 s en esta actividad. a) ¿Cuál es el valor de la fuerza F Que el trabajador debe ejercer para que el cuerpo suba con velocidad constante?considerar g= 10 m/s2
b) ¿Cuál es el trabajo mecánico que el trabajador realiza en esta operación?
c) ¿Cuál es la potencia que desarrolla el trabajador?

Answers

relationships are meaning less your heart will get broken.: (

34 degrees fahrenheit

Definitely true

I’m not sure about this question

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