mizzymtherrybear mizzymtherrybear

02-11-2016
Physics

contestada

What is the gravitational potential energy of a ball with a weight of 72 N when it is sitting on a shelf 1.4 m above the floor?

Respuesta :

LittleRedMe LittleRedMe

02-11-2016

First you must convert the weight to mass. So:

W = mg (assuming that gravity is 9.8 Nkg-1)

m = W/g
= 72 / 9.8
= 7.3kg

Then we can use Ep = mgh

= 7.3*9.8*1.4

= 100.1N

Answer Link

Otras preguntas

The equation of the line perpendicular to 5x + 2y = 20 and containing the point (5, 2) is:

During the philadelphia convention, the new jersey plan was supported by ________ states. urban free slaveholding southern less populous

Simplify the expression (first picture) A. (second Picture) B. (third Picture) C. (fourth picture) D. (fifth picture)

Que crees que hacía para mejorar la calidad de los sueños belisa

A(n) _____ is any specific collections of objects of interest.

What probably causes water to have the highest specific heat of the substances listed above?

Explain in details how the circulatory body system works

The sun subtends an angle of 0.00928 rad when viewed from the surface of the earth, and its distance from earth is 1.5 × 1011 m. what is the diameter of the sun

Discuss how the brain divides its mental functions into subfunctions

Nadia cuts 3 pieces of equal length from 8 yards of ribbon.how long is each piece?