Two equal forces result. explain why the box moves even thought the forces are equal and opposite

1 answer:

4 0

The answer might be because of kinetic energy is still there and it got transferred, but it's hard to tell, I'd need more info:/

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Bird bones have air pockets in them to reduce their weight—this also gives them an average density significantly less thanthat o

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Answer:

41.4 g

41.4 cm³

1.08695 g/cm³

Explanation:

$\rho$ = Density of water = 1 g/cm³

Mass of water displaced will be the difference of the

$m=45-3.6\\\Rightarrow m=41.4\ g$

Mass of water displaced is 41.4 g

Density is given by

$\rho=\dfrac{m}{v}\\\Rightarrow v=\dfrac{m}{\rho}\\\Rightarrow v=\dfrac{41.4}{1}\\\Rightarrow v=41.4\ cm^3$

So, volume of bone is 41.4 cm³

Average density of the bird is given by

$\rho=\dfrac{45}{41.4}\\\Rightarrow \rho=1.08695\ g/cm^3$

The average density is 1.08695 g/cm³

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Why are negative ions usually larger than positive ions

irga5000 [103]

A negative ion is a atom that has an extra electron, but the same # of protons

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What two forces are most responsible for the formation of the cascade mountains

Ilya [14]

<span>The two foremost forces that were involved in the creation of the Cascade mountains are those of the tidal and tectonic forces. Tidal forces helped in eroding anything that was there previously, and the tectonic forces caused the eruption of these mountains to take place.</span>

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Lukalu is rappelling off a cliff. The parametric equations that describe her horizontal and vertical position as a function of t

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Answer:

2.5 s, 5 m

Explanation:

The equations for the horizontal and vertical position of Lukalu are:

$x(t) = 8t\\y(t) = -16t^2 + 100$