dolphine233 dolphine233
  • 03-04-2015
  • Mathematics
contestada

a woman lifts a 300 newton child a distance of 1.5 meters in 0.75 seconds. What is her power output in lifting the child?

Respuesta :

Rayallstar23
Rayallstar23 Rayallstar23
  • 03-04-2015
Power = Work done / time

Work done = Force * Distance
                 =  300 N *  1.5 m =  450 J

Power =  450 / 0.75 = 600 Watts.
Answer Link

Otras preguntas

word: diverge .. what are the stems of this word and some synonyms?
Use the rules of negative numbers to calculate -6 + -6 - -2
each day Mrs. Hewes knits 1 third of a scarf in the morning and 1 third of a scarf in the afternoon. How many days will it take Mrs. Hewes to knit 2 scarves?
you throw a rock straight up into the air with a speed of 11.5 m/s. How long does it take the rock to reach its highest point?
Find the height of the rectangular prism given the volume, length, and width. V= 122,500 cm cubed L= 50 cm W= 35 cm
The success of the Plymouth and Massachusetts Bay colonies inspired the Great __________ during which 20,000 English people crossed the Atlantic to settle in Ne
Which region of Washington has the diversity of the beaches of the Pacific Ocean, the Straits of Juan de Fuca, valleys, mountains and rain forest. Olympic Penin
What factors influenced Americans to play a more active role in the world?
What was most surprising about the outbreak of the Chinese Civil War?
A scientist uses artificial selection to produce a new type of cow. Compared to their parents, the new cows are