benitez4ivan benitez4ivan

13-02-2020
Physics

contestada

A 68 kg student runs up a flight of stairs that is 7 m high in 9 seconds. Calculate
how much power is used.

Respuesta :

mathewos2005 mathewos2005

13-02-2020

Power = Work/time
Work= energy
Potential energy =mxgxh
Power=mxgxh/t
Power=68x10x7/9
Power=529 watts

Answer Link

Chelboy Chelboy

13-02-2020

Answer:4760/9 watts

Explanation:

mass(m)=68kg g=10m/s^2 height(h)=7m time(t)=9seconds

Power=(m x g x h)/t

Power=(68 x 10 x 7)/9

Power=4760/9 watts

Answer Link

Otras preguntas

Can monkey produce language?

A proton is moving in a circular orbit of radius 14 cm in a uniform magnetic field of magnitude 0.35 T directed perpendicular to the velocity of the proton. Fi

Which of the following explains why enzymes are specific for certain reactions?

What was Ilbet Bill and why was it reserved

in which civilization did the state largely control trade, preventing a professional merchant class from emerging?

Using E-commerce , how you can make Secure payments

a hospital wishes to improve its patient check in process by studying the check in process at the most renowned local hospital quizlet

write a short essay (300-500 words) giving your expectations of ethical researchers. how often do you believe that cases of research fraud or plagiarism occur?

Use a business directory to identify several nonprofit corporations in your area. What public service is each providing? Why do you think each is a public rathe

What is the frequency of the wave shown below assuming it is light (electromagnetic radiation)? 4.17 x 107 m