bellmad5565 bellmad5565
  • 11-01-2020
  • Physics
contestada

A 75.0-kg firefighter climbs a flight of stairs 28.0 m high. How much work does he do?

Respuesta :

Vespertilio Vespertilio
  • 11-01-2020

Answer:

20.58 kJ

Explanation:

mass, m = 75 kg

height, h = 28 m

Work = m x g x h

W = 75 x 9.8 x 28

W = 20580 J

W = 20.58 kJ

Thus, the work done is 20.58 kJ.

Answer Link

Otras preguntas

in humans, dimples are dominant to no dimples. cross a woman with no dimples with a man who is heterozygous for dimples. determine the phenotypic and genotypic
What possible method of enhancing bamboo, wood or metal product are you going to use and why?​
Enjoy? here a math question you guys might knoew
Bills car gets 30 miles to the go on. For every galon of gas it consumes his car runs 30 miles use this information to determine weather this relation is a fun
-12x+11=-32 pllllllllllllssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss
SimplifyLaTeX: \dfrac{\cos^2\alpha}{1-\sin\alpha}-1
What was a demand of the populace
1. How did the economic law of supply and demand increase the wealth of business owners during the Industrial Revolution? a: As mass production lowered the pric
If sin B=0.5 in the triangle shown, what is an expression for AB?
What is the mass of carbon dioxide formed when 36g of carbon is burnt? C+O2 ------->C02