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denis23 [38]
3 years ago
14

Hèłp mèéëėę ...............

Physics
2 answers:
Tems11 [23]3 years ago
6 0
It would be C)Whales learn their migration paths from other whales
V125BC [204]3 years ago
5 0
For this question, it would be 

"Whales learn their migration paths from other whales." 

Or (C)
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A proton is a subatomic particle that carries a ___________ charge
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The answer would be a positive charge

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Why the bicycle stops when the cyclist stops pedaling?
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The bicycle slows down because of the frictional force acting on the tyres of the bicycle. When this frictional force overcomes the force applied by paddling, the bicycle stops.

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Explanation:

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3 years ago
if a car is moving on a highway at 70 kilometers per hour going east, what happens to its speed and velocity ​
Andrej [43]
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7 0
3 years ago
Calculate the change in entropy as 0.3071 kg of ice at 273.15 K melts. (The latent heat of fusion of water is 333000 J / kg)
Ostrovityanka [42]

Answer:

374.39 J/K

Explanation:

Entropy: This can be defined as the degree of disorder or randomness of a substance.

The S.I unit of entropy is J/K

ΔS = ΔH/T ..................................... Equation 1

Where ΔS = entropy change, ΔH = Heat change, T = temperature.

ΔH = cm................................... Equation 2

Where,

c = specific latent heat of fusion of water = 333000 J/kg, m = mass of ice = 0.3071 kg.

Substitute into equation 2

ΔH = 333000×0.3071

ΔH = 102264.3 J.

Also, T = 273.15 K

Substitute into equation 1

ΔS = 102264.3/273.15

ΔS = 374.39 J/K

Thus, The change in entropy = 374.39 J/K

3 0
3 years ago
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