tsotsoakuetteh tsotsoakuetteh

23-01-2021
Business

contestada

A student of mass of 65kg takes 10s to run up a flight of stairs of 40steps. lf each step is 12cm high,calculate the potential energy of the student at a maximum height. take gravity =10m/s2

Respuesta :

dmaczko13 dmaczko13

23-01-2021

Answer:

Eg=mgh

Eg=gravitational potential energy

m=mass (kg)

g=acceleration of gravity

h=height (m)

m=65kg

g=10m/s²

h=40·12=4.8m

Eg=65(10)(4.8)

Eg=3120J

Answer Link

Otras preguntas

one-half of a number is subtracted from 25. The answer is 10. What is the number?

What is the y-intercept and the slope of the equation 3x 4y = 24?

What does fluid flow mean?

Speculation and restrict in a one sentence

What does fluid flow mean?

What happens to the matter in the body of an animal after it dies?

What purpose does a flagellum serve for unicellular organisms?'

How did the Reformation set the stage for the modern world? Give examples

Felicia needs to find her Target Zone. Select the first step she needs to take in order to be able to calculate her zone. Find her Max HR Find her resting HR 2

Air has a. a fixed volume but no fixed shape. b. no fixed volume or shape. c. a fixed shape but no fixed volume. d. both a fixed shape and fixed volume.