dragonwolf696969 dragonwolf696969

04-03-2020
Chemistry

contestada

A man weighing 75 kg takes 5 minutes to reach a height of 5 m when he climbs a staircase. What is his power?
A) 1.250 W
B) 12.25 W
C) 31.25 W
D) 61.25 W

Respuesta :

philaeagles14 philaeagles14

04-03-2020

Answer: B. 12.25 W

please give brainliest!

Explanation:

1) Force = Weight = 75 x 9.8 = 735 N

2.)Work = Force x Height = 735 x 5 = 3675 J

3.)Power = Work / Time = 3675 / (5 x 60) = 12.25 W

Answer Link

Otras preguntas

Which of these would be the best source for locating a synonym for the word important

What safety measure can help hotel restaurants to prevent food from spoiling? A. purchasing the most expensive grade of food ingredients B. setting walk-in fr

The american recovery and reinvestment act of 2009 was implemented primarily to

math help please i will mark brainliest

Solve for nn-3n=14-4n

Can someone please answer this with steps Please do answer if you do not have steps

Why were most of the colonizing nations from Europe? Which two nations that had colonies were not from Europe?

What does lady Macbeth say to cover for her husbands hallucination?

A byproduct of amino acid catabolism in the liver is

a train is moving at a constant speed on a surface and inclined at 10 degrees with the horizontal travels a distance of 400 m in 5 Seconds. calculate the verti