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

Why did people move in large numbers to british cities and towns during the industrial revolution?

1. What is a nebula? How does it contribute to the birth of a star? 2. Why is equilibrium important to a star? 3. Do large or small stars live longer? Explain y

The scale of a porch used in a drawing is 1 in=4 ft. The actual length of the porch is 11 1/2 ft. What is the length of the porch in the drawing?

Scientists have discovered a new animal.is it possible for it to have no digestive system? Why or why not

List 4 reasons the U.S. was unprepared for war with Britain in 1812:

24 is what percent of 800

Which of these played the BIGGEST role in the creation of Georgia towns and cities in the 1820s-1850s? A) the cotton gin B) the planning of suburbs C) the bu

What elements are found in the compound represented in the diagram

the math team does practice drills that last 1/6 hour. in February the team did drills for a total of 24 hrs. How many drills did the math team do in February?

The best description of the theme presented in the resolution of "Lost” is that a crisis can help people appreciate life’s joys. cause people to act selfishl