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 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

What measures do you need to take to be healthier? Mention at least three points.
Because breastfeeding suppresses ovulation, it can be a reliable form of contraception. because breastfeeding suppresses ovulation, it can be a reliable form of
Find the vertical and horizontal asymptotes of the function f(x)=5x-7/3-x
please help thank you.
An unknown number y is 12 more than an unknown number x. The number y is also x less than 17. The equations to find x and y are shown below. y = x + 12 y = −x
Hey:) can you please help me posted picture of question
[I WILL GIVE YOU BRAINIEST!] A spinner has five equal segments labeled 1, 2, 3, 4, and 5. Out of 100 spins, how many times could we expect to spin an odd number
Truck tire life is normally distributed with a mean of 60,000 miles and a standard deviation of 4,000 miles. what is the probability that a tire lasts between 5
Write the balanced equation for the reaction of acetic acid (ch3cooh) and sodium bicarbonate (nahco3). what type of reaction(s) took place?
What is the main idea of the last passage of the speech? I ask that the Congress declare that since the unprovoked and dastardly attack by Japan on Sunday, Dece