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.
Answers: 3
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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.
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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
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1. Suppose that a log is burning in a fireplace. The log contains chemical energy. Light,
heat, and...
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