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

In what ways did the religious tradition of South Asia change over the centuries?

Why was irrigation important to Sumer? It led to the invention of the sail. It helped create food surpluses. It led to trade with other city-states. It moved wa

What is the process of sharing carefully planned information to an audience?

Tyra buys 14 gallons of gas for $35. How could she figure out how much 1 gallon of gas cost

Which expression is equivalent to the given expression? 2x - 11x-6 A. 2(x – 3) (x + 1) B. (2x + 3)(x- 2) C. (2x+ 1)(x- 6) D. 2(x + 3)(x- 2)

Can you please help me?

A dog runs 300m North and sees the dog catcher and runs 120 m south .Whats the dogs displacement.The same jogger runs 3 miles around the track, starting and fin

Identify which equation represents a line perpendicular to the given equation 2x+5y=25

To what extent is the following statement accurate: “Geography is the single greatest factor in establishing a stable society.” Compare and Contrast the develop

Give the equation of a line that goes through the point ( − 24 , 2 ) and is perpendicular to the line 8 x + 3 y = − 6 . Give your answer in slope intercept form