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Yanka [14]
2 years ago
14

A man lowers an object of mass 12 kg from a height of 0.5m to the floor. What is the work done by him?

Physics
1 answer:
Olenka [21]2 years ago
3 0

Answer:

Work = Force × distance

= m × g × d

= 12 × 9.8 × 0.5

= 58.8 N

If in the case , you need any help pleasee leg me know! [ you'll have to pay btw]

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erik [133]
U=5.82,a=2.35,t=3.25

s=u*t+ \frac{1}{2}*a* t^{2}

just substitute.
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3 years ago
What Is Life?
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Answer:

Life is useless it has no meaning every one wil die and even if you don't die you can't change anything if you do change it won't have a cause. Animals are there to just survive and what do you do after you survive.it nothing life if just useless.

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Explanation:

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Alcohol consumption slows people's reaction times. In a controlled government test, it takes a certain driver 0.320 s to hit the
harina [27]

Answer:

\triangle d=21.726m

Explanation:

From the question we are told that:

Unimpaired time to hit break t_i=0.320s

Drunk time t=1s

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V_{avg}=\frac{\triangle d}{\triangle t}

Therefore

\triangle d=v.dt

\triangle d=31.95*(1-0.32)

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4 0
3 years ago
Fizik
vekshin1

Answer:

P = 24.32 W

Explanation:

The question is, "Two resistors 5 Ω and 10 Ω are connected in parallel with a 9 V power supply. Calculate the output power of the power supply.".

The voltage of the power supply, V = 9 V

Resistor 1, R₁ = 5 Ω

R₂ = 10 Ω

The equivalent of parallel combination of resistors is given by :

\dfrac{1}{R_{eq}}=\dfrac{1}{R_1}+\dfrac{1}{R_2}\\\\\dfrac{1}{R_{eq}}=\dfrac{1}{5}+\dfrac{1}{10}\\\\R_{eq}=3.33\ \Omega

The power of the output is given by :

P=\dfrac{V^2}{R_{eq}}\\\\=\dfrac{9^2}{3.33}\\\\P=24.32\ W

So, the output power is equal to 24.32 W.

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3 years ago
Which changes of state do the labels represent? a: b: c:
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A represents the so-called sublimation of state. represents the evaporation, a state change. C stands for melting, a change of state.

<h3>What does evaporation kid mean?</h3>

A liquid turns into a gas through evaporation. Water vapor is created when liquid water evaporation turns it into a gas. Water is helped to evaporate and return to the atmosphere by the heat of the sun. There, it creates a cloud and returns to being water in the form of vapor.

<h3>What exactly happens during evaporation?</h3>

Evaporation is the process by which liquid water transforms into gaseous water (water vapor). Water from the Earth's surface is carried into the atmosphere by evaporation. Evaporation occurs when heat energy causes the bonds holding the water molecules together to fall apart.

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brainly.com/question/5019199

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