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3 years ago

11

The woman dries herself with a towel. She hangs the wet towel in the bathroom to dry. Figure 2 shows two places she could hang t

he towel. The towel will dry faster if it is hung from the unheated towel rail instead of the towel ring. Explain why.
2 points

1 answer:

Darya [45]3 years ago

7 0

tail rail holds the towel from a certain way where the water climbs down

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A 32.5 g cube of aluminum initially at 45.8 °C is submerged into 105.3 g of water at 15.4 °C. What is the final temperature of b

lbvjy [14]

Answer:

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Explanation:

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so we will have

$Q_1 = Q_2$

$m_1s_1\Delta T_1 = m_2s_2\Delta T_2$

so we will have

$32.5(900)(45.8 - T) = 105.3(4186)(T - 15.4)$

so we have

$(45.8 - T) = 15.1(T - 15.4)$

so we have

$16.1 T = 277.87$

$T = 17.26 ^oC$

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iren2701 [21]

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tatiyna

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2 years ago

The current through a 10 ohm resistor connected to a 120 volt power supply is

Leno4ka [110]

Answer:I=12 A

Explanation:

Given

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According to ohm's law current through a conductor is directly proportional to the voltage applied.

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$I=\frac{V}{R}$

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3 years ago