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

Europe is united under one government. True False

Women's contributions to the enlightenment included all of the following except a. holding social gatherings called salons for influential people. b. running

What type of group therapy could a person consider if wanting to go to therapy sessions with a spouse? a. family therapy b. self-help group c. reaction group

Which expression is equivalent to 3sqt 216x^3y^6z^12 6xy^2z^4 18xy^3z^6 36xy^2z^4 72xy^3z^6

Eating raw fruits and vegetables will help prevent scurvy. True False

look at the picture , may you please help me :)

Why does Laura nibble her heart-shaped cake from the bottom? A. She thinks the best part of the cake is on the bottom. B. She doesn’t want anyone to know

use the numbers on the tiles to write the differences. then write the next fact pattern

1. Which side lengths form a right triangle? a. 22 in., 22 in., 29 in. b. 15 in., 15 in., 15 in. c. 8 in., 5 in., 7 in., d. 7 in., 24 in., 25 in.

-10.5 = m/11.57= -2.748