2 years ago

AYUDAAA! Hola, alguien podría ayudarme en esto la C), me ha complicado demasiado!!

Physics

1 answer:

Softa [21]2 years ago

6 0

Answer:

I dont know spanish... and i live in Cali... wow....

Explanation:

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suppose that a block is pulled 16 meters across a floor. what amount of work is done if the force used to drag the block is 22n

kompoz [17]

Work = (force) x (distance)

Work = (22 N) x (16 m)

<em>Work = 352 Joules</em>

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A 0.242 g sample of potassium is heated in oxygen. The result is 0.292 g of a crystalline compound. What is the formula of this

masha68 [24]

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3 years ago

A block of aluminum at a temperature of T1 = 32 degrees C has a mass of m1 = 12 kg. It is brought into contact with another bloc

Mariulka [41]

Answer: $T=21.33 ^{\circ}$

Explanation:

Given

mass of First Block $m_1=12 kg$

Temperature $T_1=32^{\circ}$

mass of second block $m_2=0.5 m_1=6 kg$

Temperature $T_2=9^{\circ}$

Heat capacity of aluminium c=899 J/kg-K

Final Temperature acquired by both blocks at steady state

Heat loss first block =Heat gain by second block

$m_1\times c\times (32-T)=m_2\times c\times (T-9)$

$12\times 899\times (32-T)=6\times 899\times (T-9)$

$2\times 32=3T$

$T=\frac{64}{3}=21.33 ^{\circ}$

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2 years ago

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hodyreva [135]

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Got an F in Physical Science. HELP ME PLZZZ

Dmitriy789 [7]

i know can you plzz help me with this question im sorry i didt answer your question i just need hel.

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