vernicaangcla
vernicaangcla vernicaangcla
  • 15-09-2021
  • Physics
contestada

A person of mass 70kg runs up a flight of stairs with a vertical 5m.If the trip takes 7s to complete,calculate the persons power.

Respuesta :

ghaithgh
ghaithgh ghaithgh
  • 15-09-2021

Answer:

power =? , Work done (WD) =? , mass (m) = 70g , Gravity (g) = 10 m/s² , height (h) = 5m , time = 7s

[tex]WD=Ep = mgh \\ = 70 \times 10 \times 5 \\ = 3500J \\ \\ \\ power = \frac{work \: done}{time} = \frac{3500}{7} \\ \\ power = 500 \: w[/tex]

I hope I helped you^_^

Answer Link

Otras preguntas

what does it mean when world war 1 is referred to as a total war
who establish new york
i need help with both questions?
round 47,125 to the nearest ten, to the nearest hundred ,to the nearest thousand and the nearest ten thousand
what does afis stand for in forensic science?
The domestic postage rate for first-class letters weighing 12 oz or less is $0.37 for the first ounce and $0.23 for each additional ounce or part of an ounce. H
Find the domain for f(x) = (x - 3)/(x - 2). x ≠ –3 x ≠ 2 x ≠ –3, –2 x ≠ –2
April and Amy are twin sisters. They have a total of 120 CDs. If Amy has twice as many CDs as April. How many CDs do they each have?
Kirsten and Molly are on a 3-day bike ride. The entire route is 156 miles. On the first day, they biked 64 miles. On the second day, they biked 45 miles. How ma
how do you solve the equation (y-50)+2x=90