emmanuel4321 emmanuel4321

23-05-2021
Physics

contestada

A man is weighed 450N runs up a flight of
Staires consisting of 25 steps each 10cm height
20s calculate the power

Respuesta :

jcherry99 jcherry99

23-05-2021

Answer:

56.25 watts

Explanation:

P = F * d / t

P = Power (it's an unknown at this point).

F = 450 N

d = 25 steps each 10 cm = 25 steps 0.1 m/step = 2.5 m

t = 20 s

Solution

P = 450 * 2.5 / 20

P = 1125/20

P = 56.25

Answer Link

Otras preguntas

The split into Sunni and Shia divisions of Islam can be traced to ___. A. the failure to defeat invading forces from Persia. B. a loss of territory to reli

How did music differ before and after Bach?

The tendency of an object to resist a change in motion is called ___. A. displacement B. momentum C. inertia D. acceleration

In order for a button to fit through its buttonhole, the hole needs to be the size of the button's diameter. What size buttonhole is needed for a button with a

True or False. Greek drama evolved out of religious celebrations involving goats.

What is the volume of 0.200 mol of an ideal gas at 200 kPa and 400 K? A. 0.83 L B. 3.33 L C. 5.60 L D. 20.8 L

If a ball is thrown in the air with a velocity 48 ft/s, its height in feet t seconds later is given by y = 48t − 16t2. Find the average velocity for the time p

The number of bacteria in a sample increased by a factor of 2 every minute from 9:05 AM to 9:55 a.m.. The function below shows the number of bacteria in the sam

Which of the following regions was least impacted by water scarcity between 2000 and 2010? A. Africa B. Asia C. Canada D. Spain

Can someone help me simplify this?