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

A 12 foot ladder is placed 4 feet away from a house as shown. What is the value of x, rounded to the nearest degree ?

Please help. I am stuck on this algebra question: A homeowner wants to increase the size of his deck that now measures 15 feet by 18 feet. His homeowner's asso

How would you write sixteen and twenty-five hundredths with a decimal

1. Write the TWO object pronouns that would correctly complete each sentence. Usted da las cartas a mí. Usted _____ _____da 2. Write the TWO object pronouns

Solve for B. R = x(A+B)

Give one real world example where you would use absolute value.

Two triangles can be formed with the given information. Use the Law of Sines to solve the triangles. C = 71°, a = 27, c = 26

In which province is welkom

Which component, located on the motherboard, carries out all the instructions provided by computer programs?

A major goal of Spanish missions was to 1.teach American Indians to follow Spanish customs. 2.help American Indians achieve fame and glory. 3.protect American I