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andreyandreev [35.5K]
3 years ago
11

What Do You Get When You Multiply An Object's mass times the acceleration?

Physics
1 answer:
emmasim [6.3K]3 years ago
7 0

You get the net force acting on it ... the sum of the strengths and directions
of all the individual forces there may be. 


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A plant dying after being exposed to poison represents a physical change.
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False is the correct answer.

It is considered more of a chemical change because all of the cells inside the plant decompose (change chemicaly)

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A tugboat tows a ship with a constant force of magnitude F1. The increase in the ship's speed during a 10 s interval is 5.0 km/h
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time  = 10 s

ship's speed = 5 Km/h

F = m a

a is the acceleration and m is mass.

In the first case

F₁=m x a₁

where a₁ =  difference in velocity / time

F₁ is constant acceleration is also a constant.

Δv₁ = 5 x 0.278

Δv₁ = 1.39 m/s

a_1=\dfrac{1.39}{10}

a₁ = 0.139 m/s²

F₂ =m x a₂

F₃ = F₂ + F₁

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a₃=Δv₂ / t

a_3=\dfrac{5.282}{10}

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m a₃=m a₁ + m a₂

a₃ = a₂ + a₁

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F₁ = m x 0.139...............(2)

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3 years ago
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The atmospheric pressure is =10^{5}\ Pa on Earth's surface.

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Now to calculate surface area we can find it from pressure=\frac{force}{area} and re-arranging it to.

area=\frac{force}{pressure}

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