2 years ago

Mass is the amount of _____

Physics

2 answers:

Viefleur [7K]2 years ago

6 0

Material something has

solong [7]2 years ago

5 0

<h2>Hey there! </h2>

<h3>The correct option is:</h3>

<h2>'B' material </h2>

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enot [183]

Answer: 3 square feet

Explanation: I took the test

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2 years ago

A uniform disk with a mass of 5.0 kg and diameter 30 cm rotates on a frictionless fixed axis through its center and perpendicula

Marina86 [1]

Answer: $\alpha =10.66 rad/s^2$

Explanation:

Given

mass of disk $m=5 kg$

diameter of disc $d=30 cm$

Force applied $F=4 N$

Now this force will Produce a torque of magnitude

$T=F\cdot r$

$T=4\dot 0.15$

$T=0.6 N-m$

And Torque is given Product of moment of inertia and angular acceleration $(\alpha )$

$T=I\cdot \alpha$

Moment of inertia for Disc $I= \frac{Mr^2}{2}$

$I=0.05625 kg-m^2$

$0.6=0.05625\cdot \alpha$

$\alpha =10.66 rad/s^2$

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2 years ago

What is a cycle in nature that is a convection current?

kodGreya [7K]

The two largest natural cycles where convection currents occur are :

the movement of air in the atmosphere and

the movement of magma in the earth's mantle.

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2 years ago

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Penetrative power of electromagnetic waves

Tems11 [23]

is there more to this? if so i would love to help you!!

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2 years ago

A woman stands on the edge of a cliff and throws a stone vertically downward with an initial speed of 10 m/s. The instant before

zalisa [80]

Answer:

It will have the same KE ( 450 J ) just before it hits the ground. The GPE transferred to KE is the same in both cases and the original KE is the same in both cases so the total will be the same.

The one thrown sideways will take longer to get to the ground but it will have the same velocity ( and therefore KE ) as the thrown down stone.

Explanation:

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2 years ago