Una niña juega a saltar con la cuerda, realizando 40 saltos en un minuto. ¿Cuál de los siguientes conceptos se asocia de mejor manera con lo descrito en la situación?

he angular velocity  w = 4.19 rad / s

Explanation:

The girl is synchronized with the movement of the rope, therefore we can describe the movement of the girl with the angular velocity

       w = θ/t

if we fear 40 jumps and each one is a revolution

       θ = 40 2pi = 80π radiation

       t = 1 min = 60 s

       w = 80π / 60

       w = 4.19 rad / s

this must be the same angular velocity of the rope

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-the first industrial use of geothermal energy began near pisa, italy in late 18th century

-in 1904, italian scientist piero ginori conti invented the first geothermal electric power plant in which steam was used to generate the power

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-however, in 1946 first ground-source geothermal heat pump installed at commonwealth building in portland, oregon

-during the 1960’s, pacific gas and electric began operation of first large scale geothermal power plant in san francisco, producing 11 megawatts

-in 1973, when oil crisis began many countries began looking for renewable energy sources and by 1980’s geothermal heat pumps (ghp) started gaining popularity in order to reduce heating and cooling costs

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hope this

the inner core.

good luck: )

klicker