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

identify the vertex of the parabola with the quadratic equation u =6x squared - 72x + 220

Dilation and construction of the pupil are controlled by the

What actions might peasants take as they learn morr about ideas such as equality?

What are prime numbers of 50?

What is the average speed in 26.22 into 2.925 hours

Which of the following sentences is written in the passive voice? A. My friend searched high and low for the perfect birthday gift for his mother. B. My friend

What ocean is found on the east coast of the united states and the west coast of some European and african countries

To Kill a mockingbird...Why does scout dress up as a ham?

sara wants to invest her money into a savings account that earns 2.25% interest. how much interese will sars earn at the end of 1 year as long as on other money

Cartilage replacing bone cells is called ossification. epiphysis. osteoblasts. osteocytes.