lilspacebits lilspacebits

03-02-2017
Chemistry

contestada

Determine the mechanical energy of this object:

a 1-kg ball rolls on the ground at 2m/s

Respuesta :

scme1702 scme1702

07-02-2017

Mechanical energy = potential energy + kinetic energy
The ball is on the ground so has no potential energy.

M.E = K.E
M.E = 1/2 mv²
M.E = 1/2 x 1 x 2²
M.E = 2 J

Answer Link

Otras preguntas

help me please 7/12 + 5/9 - 7/8 =?

1/2(c+1)>5 as a word problem

Select the noun or pronoun that is the object of the preposition. During the concert, Alice lost her voice!

five times the difference between 3/4 and 1/2

The first bend made with a hicky should be about

Did you eat dumplings in ancient times?

Four numbers have a mean of 9 and a median of 6. The four numbers are 2,5,a,b. Find the value of a and b

Which of the following is a rounded bulge on the underside of the brainstem?A. MidbrainB. PonsC. InsulaD. Medulla oblongataE. VentriclesF. Cerebral cortex

NO. The table below shows the marks scored by pupils in a Standard 5 class What percentage of the total pupils scored the modal mark? Marks Number of Pupils 0 9

Which of these sentences would be MOST important to include in a summary of the article? A Groundhog Day festivities in Punxsutawney, Pennsylvania, are run by a