subject
Physics, 19.02.2021 19:30 emmaline11

1. Suppose that a log is burning in a fireplace. The log contains chemical energy. Light, heat, and some sound are given off as the log burns. How does this demonstrate the
law of conservation of energy?
A.
B.
The total amount of energy in the universe changes.
Energy is destroyed.
Energy is created.
Energy is converted from one form to another.
C.
D.

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 01:00
Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude
Answers: 1
question
Physics, 22.06.2019 14:30
The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
Answers: 1
question
Physics, 22.06.2019 21:50
Which component is used to measure the current in a circuit? oa. switch ob. resistor oc. ammeter the answer is c. for y’all plato people
Answers: 1
question
Physics, 23.06.2019 09:00
A10 kg shark swimming at 5m/s swallows an absent-minded 0.5 kg fish that is originally at rest. what is the speed of the large fish after eating the smaller fish?
Answers: 1
You know the right answer?
1. Suppose that a log is burning in a fireplace. The log contains chemical energy. Light, heat, and...
Questions
question
Mathematics, 23.05.2020 05:04
question
Mathematics, 23.05.2020 05:04
question
Spanish, 23.05.2020 05:04
Questions on the website: 13722367