Lionel22
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 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

If you know the company that you want to work for, you should check theon the company’s website as you perform your job search. As you prepare to write a cover
Most people who came to what is now the U.S. Between 1600 and 1800 were called what ?
Consider the reaction pathway graph below. Which method would provide evidence to support the inference that this is an exothermic reaction? add A and C add E a
If reactant particles collide in the proper orientation, the collision will be effective and the reactants will form products. TRUE FALSE
help please thank you
the food in that restaurant was the ---- i had ever eaten. a, worst b, better c, worse d, good
A model of a car is available in 4 colors
what the rule for the transformation is​
Whats is a Pyramid of numbers
Solve this problem using subtraction. 30 − (15 − 5) = ? 20 15 10 0