Un hombre empuja una caja de 80 N a una distancia de 5.0 m hacia arriba a lo largo de una pendiente sin fricción que hace un ángulo de 30° con la horizontal. La fuerza que ejerce es paralela a la pendiente. Si la velocidad de la caja es constante, entonces el trabajo realizado por el hombre es:

explanation:

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answer:

an example of solubility is salt or sugar dissolving in water.

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the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only

answer:

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explanation: