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topjm [15]
3 years ago
15

True or False? A negative energy balance occurs when you take in more calories than you need, and a positive energy balance occu

rs when you take in fewer calories than you need.
Physics
1 answer:
Rudik [331]3 years ago
7 0
False, because if you take too much calories, you are have too much. That means you are in the positive, you have too much energy.

and if you take fewer, you will have less calories, so less energy.
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i hate this question.

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Here is the formula darling,

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If you pour different liquids into a graduated cylinder, which layer would be at the bottom?
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When you are on a roller coaster, you are constantly transforming from Potential to Kinetic energy and back. Explain how these e
andreev551 [17]

Answer:

The two types of energy possessed by the roller coaster are:

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PE=mgh

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g is the acceleration due to gravity

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- KInetic energy: it is the energy possessed by the roller coaster due to its motion. It is calculated as

KE=\frac{1}{2}mv^2

where

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E=PE+KE=const.

This implies that:

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- When PE decreases (because h decreases), KE increases (because v increases)

Now we can apply these conclusions to the motion of the roller coaster:

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- When it moves from B to C, kinetic energy is converted into potential energy, so PE increases and KE decreases

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- When it moves from D to E,  kinetic energy is converted into potential energy, so PE increases and KE decreases

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