Lionel22 Lionel22

04-03-2016
Biology

contestada

the total energy in a system is 30J and the PE is 20J. what is the KE?

Respuesta :

kiki134 kiki134

04-03-2016

Total mechanical energy = potential energy + kinetic energy.

If we plug in our numbers:

30 = 20 + KE

Let's solve for KE:

30-20= KE

10 = KE

If we go back to the original equation:

30 = 20 + 10

Thus we know this is correct.

Answer Link

Otras preguntas

What were the impacts of coal and steam?

What’s the key signature for Gavotte??

Which expression can be used to determine the length of segment ZY? See image.

plzzz help me with this question look at picture

according to the map which animal would most likely avoid cold water

You are buying two kinds of coffee.1 pound of premium coffee costs $3.00.1 pound of regular coffee costs $2.00.You have $15.00 to spend and want to buy 1 pound

how did environment influence the American Indian way of life

Why do iridescent colors seen in some seashells (such as abalone shells) change as the shells are viewed from various positions?

write each decimal as a fraction in simplest form 0.5

How many calories of heat are required to raise the temperature of 55.2 grams of water from 12 degrees celcius to 18 degrees celcius?