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

What is 9 equal to? 2=4 3=12 4=20 5=30 6=42 9=??

Which additional word in the sentence should be capitalized? Do you like Robert Frost's poem "Stopping by Woods on a snowy Evening"? A. By B. You C. On D. Snowy

the cost for n students to attend a workshop is 7n plus $12. What is the cost for 6 students to attend

The diameter of a small gear is 16 cm.This is 2.5 cm more than 1/4 of the diameter of a larger gear.What is the diameter of the larger gear?

List of weapons used by JTF2?

For every bag of trail mix the local Scout Guide troop sells, they earn $0.45. a. Write an expression to represent this situation. b. Sarah sold 52 bags of tra

How did Reconstruction affect daily life in South Carolina?

Need help! Over 300 languages are spoken in Africa, yet most Africans are able to communicate with each other. Why?

Write a short counterclaim for the claim Michelle Obama is making in these remarks to the Grocery Manufacturers Association. But your role in helping address ch

which pull factor accounted for much of Chinese immigration to the United States in the mid-1800s?