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 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

Find the missing value. Hint: Use the number line to find the missing value. -3 = 7 - plz help asap
Read and select the best answer. -¡Hola! Buenos días. ¿Qué tal? ¿Cómo te llamas? Yo me llamo José. -Buenos días. _____ Ana. Estoy muy bien, gracias. -Mucho gust
and those... sorryyyyyy!:(
What is the term meaning a Java object that has attributes and methods? interface literal string o class
define correlation coefficient​
What is the prime factorization of 96? 0 25.32 25.3 02.2.2.2.3 8.12
What is the coefficient of determination for this data set?Years after 2000 −20 −12 −9 −4 0 6 8 9 12Federal minimum wage ($) 3.10 3.35 3.80 4.25 5.15 5.15 5.85
How did upper class people in Europe try to escape the plague?
Wat is the value of the expression -7/4 +2 1/4 + (-3/4)?*
The segments shown below could form a triangle. True or false