3 years ago

What is free-fall acceleration near earth's surface

2 answers:

7 0

<span>Near Earth's surface, the distance between the object that is falling and the center of Earth does not change very much. Thus, the force given by the law of universal gravitation depends only on the mass of the object that is falling.</span>

Oliga [24]3 years ago

4 0

Free fall is when the only force acting on an object is gravity

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What's the relationship between total and partial pressure? The total pressure is the sum of the parcial pressures!

So for us, it would be:

378= 212+101+x

where x is the parcial pressure of nitrogen.

Now we count:
378= 212+101+x
378=313+x
378-313=x
65=x

So the parcial pressure exerted by nitrogen is 65!

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