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3 years ago

This graph shows that as an object's mass increases its

Physics

2 answers:

lisov135 [29]3 years ago

5 0

Answer:

(A) inertia increases.

Explanation:

Inertia is the property of mass that resists change so the mass an object has the greater the inertia

Ivan3 years ago

5 0

A is the answer can I have brainliest

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What forces come in pairs?

maks197457 [2]

Answer:

Newton's Third Law of Motion

Explanation:

it explains that forces always come in action-reaction pairs. The Third Law states that for every action force, there is an equal and opposite reaction force

6 0

3 years ago

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The 25-mph zone is 150 yards long. How much time did the student save (in seconds) by speeding past the school

VikaD [51]

Answer:

Time = 12.27seconds

Explanation:

Given

Speed = 25miles/hour

Distance = 150 yards = 150(0.000568182)miles

Distance (in miles) = 0.0852273miles

Get the time

Speed = Distance/Time

Time = Distance/Speed

Time = 0.0852273/25

Time = 0.0034hours

Time = 0.0034 * 3600secs

Time = 12.27seconds

7 0

4 years ago

A mass of 150 g stretches a spring 1.568 cm. If the mass is set in motion from its equilibrium position with a downward velocity

nadezda [96]

Answer:

$u(t)=\frac{1}{5} sin\ (25t)$

Explanation:

Given:

mass of the body stretching the spring, $m=150\ g$

extension in spring, $\Delta x=1.568\ cm$

velocity of oscillation, $u'(0)=20\ cm.s^{-1}$

initial displacement position of equilibrium, $u(0)=0$

According to given:

$m.g=k.\Delta x$

$150\times 980=k\times 1.568$

$k=93750\ dyne.cm^{-1}$

we know frequency:

$\omega=\sqrt{\frac{k}{m} }$

$\omega=\sqrt{\frac{93750}{150} }$

$\omega=25$

Now, for position of mass in oscillation:

$u= A.sin\ (\omega.t)+B.cos\ (\omega.t)$

$u= A.sin\ (25.t)+B.cos\ (25.t)$

at $t=0;\ u(0)=0\ \Rightarrow A=0$

∴ $u(t)=B.sin\ (25.t)$

∵ at $t=0;\ u'(0)=20\ cm.s^{-1}\ \Rightarrow B=\frac{1}{5}$

$u(t)=\frac{1}{5} sin\ (25t)$

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3 years ago

Why do cells of the human body look different from one another?

GREYUIT [131]

Because they perform different functions

3 0

3 years ago

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How do the gravitational and electrical forces between a proton and a neutron compare

alisha [4.7K]

Answer:

The gravitational force is much larger than the electrical force for any distance between the particles.

Explanation:

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3 years ago