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N76 [4]
3 years ago
7

Calculate the amount of heat needed to convert 0.8 kg of ice at -19 °C into water at 29 °C.

Physics
2 answers:
dlinn [17]3 years ago
7 0
Can we see the picture
balu736 [363]3 years ago
4 0
I’m not sure maybe attach a image or something
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3 years ago
Please Help! (15 POINTS)
murzikaleks [220]

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160 Nm

Explanation:

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What does the geology of the two continents indicate about past events in Earth history?
Nikolay [14]

Answer:

Explanation:

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State law of floatation<br>​
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8 0
3 years ago
Consider the displacement vectors Ā=(i +6j)m, B = (3i– 7j)m,
andrezito [222]

Answer:

Dx = -0.5

Dy = -0.25

Explanation:

Two vectors are given in rectangular components form as follows:

A = i + 6j

B = 3i - 7j

It is also given that:

A - B - 4D = 0

so, we solve this to find D vector:

(i + 6j) - (3i - 7j) - 4D = 0

- 2i - j = 4D

D = - (2/4)i - (1/4)j

D = - (1/2)i - (1/4)j

<u>D = - 0.5i - 0.25j</u>

Therefore,

<u>Dx = -0.5</u>

<u>Dy = -0.25</u>

8 0
3 years ago
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