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4vir4ik [10]
3 years ago
12

Which of the following could describe the velocity of an object?

Physics
2 answers:
spin [16.1K]3 years ago
7 0

Answer:

Explanation:

50 ms east

tresset_1 [31]3 years ago
7 0
Yeah it is 50 ms east
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The answer to your question is A.
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How much energy is needed to melt 150 g of ice at 0°C to water? (1)(Lf =3.34˟ 10⁵ J/Kg)
NARA [144]

Answer:

5.01×10⁴ J.

Explanation:

Applying,

q = Cm....................... Equation 1

Where q = amount of heat needed to melt the ice, m = mass of the ice, C = specific latent heat of ice.

From the question,

Given: m = 150 g = (150/1000) kg = 0.15 kg, C = 3.34×10⁵ J/kg

Substitute these values into equation 1

q = (0.15×3.34×10⁵)

q = 0.501×10⁵ J

q = 5.01×10⁴ J.

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3 years ago
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Explanation:

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lisabon 2012 [21]

The particle with sharp ends have the slowest rate of deposition  

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          Deposition velocity is slowest for particles of intermediate-sized particles because the frictional force offers resistance to the flow. Density is directly proportional to the deposition rate so clearly shows that high-density particles settle faster. Due to friction, round and large-sized particles deposit faster than oval/flattened sediments.  

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