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 allows Japan to become reunified?

Identify knowledge, skils, and personal qualities / attitudes you have acquired or strengthened through music studies that can be applied in other settings.

When the oil pressure light illuminates, pull over onto __________ and turn off your engine.

What did the sailors do to the captives who refused to eat

Find the slope of the line that passes through (9,9) and(2,1)

x+6/x+2=x+3/x-5a. x=1b. x=5c. x=-9d. x=-8

"I wish you wouldn’t open that window. It lets the pollen in and makes my allergies worse." This is A. a behavior description B. an example of cross-complaining

Bronte uses both visual and auditory imagery in the passage? Which words create visual images? Which words create auditory images? Which words create both?

which one of the following types of muscles helps you turn your body upwards? A. Pronator B. Abductor C. Adductor D. Supinator

which two of the following sentences from the article represent TWO of its central ideas?1. A major shift in immigration patterns over the next 50 years iscomin