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4 years ago

Is density independent of sample size?

Physics

1 answer:

erik [133]4 years ago

5 0

Answer:

➢ Length, Width, Height, Volume, Mass. ➢ A size independent property is a physical property that does not change when the size of an object changes.

Examples:

➢ Examples of size independent properties: ➢ Density, Color, State of Matter.

Hope this helps :)

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3 years ago

While on the moon, the Apollo astronauts enjoyed the effects of a gravity much smaller than that on

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Answer:

1.628 $\frac{m}{sec^{2} }$

Explanation:

Anywhere in the universe, In a closed system, <u>Conservation of energy</u> is applicable.

In this case

Neil is initially on the surface of moon and has a velocity of 1.51 $\frac{m}{sec}$ in upward direction.

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But with respect to the surface of the moon,

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At the highest point of his jump, his velocity =0

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His Potential energy with respect to the surface of moon= $P_{f}$ = $m \times g\times h$

where m=mass of moon

g= gravitational acceleration on moon

h=height from moon's surface

By Conservation Energy Principle

$K_{i}$ + $P_{i}$ = $K_{f}$ + $P_{f}$

$K_{i}$ +0=0+ $P_{f}$

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$\frac{v^{2} }{2}$ = $g\times h$

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⇒ g = $\frac{1.14}{0.7}$ = 1.628 $\frac{m}{sec^{2} }$

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