3 years ago

Explain when a falling object is in free fall.

Physics

2 answers:

lapo4ka [179]3 years ago

5 0

A falling object is in free fall if the only force acting on it is gravity.

Ksenya-84 [330]3 years ago

3 0

There is no gravity

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If a single constant force acts on an object that moves on a straight line, the object's velocity is a linear function of time.

olya-2409 [2.1K]

Answer:

$F=mkv$

Explanation:

Given that

$v = v_i - kx$

We know that acceleration a given as

$a=\dfrac{dv}{dt}$

$v = v_i - kx$

$\dfrac{dv}{dt}=\dfrac{dv_i}{dt}-k\dfrac{dx}{dt}$

$\dfrac{dv}{dt}=0-k\dfrac{dx}{dt}$

We know that

$F=m\dfrac{dv}{dt}$

$F=-mk\dfrac{dx}{dt}$

$F=-mkv$

So the magnitude of force F

$F=mkv$

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3 years ago

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LUCKY_DIMON [66]

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More in details:

Our senses allow us to experience the world we live in, and are one of the key components of consciousness. ... This is why the study of our senses, or sensation, is considered to be such an important area of psychology, because it is one of the key components that makes consciousness possible.

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2 years ago

A 35 grams bullet travels with a velocity of magnitude 126 km/h. What is the bullet's linear momentum?

LekaFEV [45]

Answer:

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Explanation:

idk

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the ball hits the ground a very high velocity

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Angular velocity and linear velocity have the same dimensions. This statement is:

iragen [17]

I think it would be C: Sometimes true and sometimes false. It varies.

Hope this helped, have a great day! :D

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