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

Use the periodic table to determine the molar mass of silver oxide (Ag20). Type the correct answer in the box. Use numerals, and express your answer to the corr

ito ung tanong natin i ugnay ang cost-push inflation sa super big time oil price hike na nangyayari sa bansa natin'

How did Europe change between 1500-1800

What is a destructive force? give me some examples. plsssssss i neeeed help

How is the current population of the United States connected to World War II and the postwar era? Today women outnumber men two to one in the United States due

What is the range? 5 2 4 6 0 0

Using the context clues in this sentence, figure out what citizens means: The men who had seen the lanterns in the church steeple had a horse waiting for Paul o

what is the simple interest if I=1000 birr,T=5 years and p=4000 birr

Is − 351 in the sequence below? 27 , 25 , 23 , 21 , 19 , . . .

[tex][tex]\left \{ {{3x+4y=36} \atop {y=-\frac{1}{2} x+8}} \right.[/tex]