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

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

is there a perfect division of government

A machine has a mechanical advantage of 5. What force should be applied to the machine to make it apply 3000 N to an object?

If the second term of a geometric sequence of real numbers is -2 and the fifth term is 16 then what is the fourteenth term?

Extra water losses from heavy sweating or diarrhea will typically result in: select one: a. increased urine output. b. decreased urine output. c. no change in u

Subtracting fractions... 3 4 — - — = 4 13

Which sentence from paragraph 3 and 4 best supports the inference that some men supports the woman suffrage movement?

John has sudden attacks of intense fear in which his heart races, he feels faint, and he has trouble catching his breath. during these attacks, he worries that

More magazine is a publication designed to appeal to women aged 40 and over. demand for such magazines is an example of how changing __________ characteristics

what is the answer to 25.7×7.8

The ph of soda is fairly acidic. even after you drink several sodas, the ph of your blood will not fluctuate much. this is an example of your body's ability to