3 years ago

Which word is not a good way to describe exercise?

1 answer:

3 0

In my opinion, calling exercise "work" wouldn't be a good way of describing it, I don't think people would exercise if its called work

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What happens when you compress a gas?

8090 [49]

The density increases.
When gases are compressed, their volume decreases, and the resulting pressure increases. The temperature will change if either P or V are held constant. Since the volume decreases, then density, or m/V, increases.
P×V ~ T

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3 years ago

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Tooth fillings are often made of gold or porcelain because these materials are ______.

garri49 [273]

Tooth fillings are often made of gold or porcelain because these materials are nonreactive.

b. nonreactive.

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4 years ago

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Can yall Please fill out them blanks i need help it's due Today.

hjlf

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Explanation:

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3 years ago

A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 4

irina [24]

Here We can use principle of angular momentum conservation

Here as we know boy + projected mass system has no external torque

Since there is no torque so we can say the angular momentum is conserved

$mvL = (I + mL^2)\omega$

now we know that

m = 2 kg

v = 2.5 m/s

L = 0.35 m

I = 4.5 kg-m^2

now plug in all values in above equation

$2\times 2.5 \times 0.35 = (4.5 + (2\times 0.35^2))\omega$

$1.75 = [4.5 + 0.245]\omega$

$1.75 = 4.745\omega$

$\omega = 0.37 rad/s$

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3 years ago

Which term is applied to an object through which light passes?

Elena L [17]

Answer:

Explanation:

transparent_objects that allows light to pass through and can you see through them

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3 years ago

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