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astraxan [27]
3 years ago
8

Spinning satellites are particularly stable. suppose that the astronauts launching a particular satellite decide to increase its

angular velocity by a factor of 5. how will that change affect the satellite's angular momentum?
Physics
1 answer:
Crank3 years ago
3 0
Supposing velocity is speed and direction, and momentum is mass*velocity, if the velocity increases by a factor of 5, then so should the momentum regardless of the whole space thing.
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Calculate the change in entropy that occurs in the system when 3.10 mole of isopropyl alcohol (C3H8O) melts at its melting point
ozzi

Answer:

3.10 mole of C3H8O change in entropy is 89.54 J/K

Explanation:

Given data

mole = 3.10 moles

temperature = -89.5∘C = -89 + 273 = 183.5 K

ΔH∘fus = 5.37 kJ/mol =  5.3 ×10^3 J/mol

to find out

change in entropy

solution

we know change in entropy is ΔH∘fus / melting point

put these value so we get change in entropy that is

change in entropy 5.3 ×10^3 / 183.5

change in entropy is 28.88 J/mol-K

so we say 1 mole of C3H8O change in entropy is 28.88 J/mol-K

and for the  3.10 mole of C3H8O change in entropy is 3.10 ×28.88  J/K

3.10 mole of C3H8O change in entropy is 89.54 J/K

4 0
3 years ago
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a 77 N net force is applied to a box which slides horizontally across a floor for 6.7 m. What amount of work is done on the box
ArbitrLikvidat [17]
W=fd
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7 0
2 years ago
Explain how a generator creates electricity.
vlada-n [284]

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What is a nebula? <br> please help I am clueless
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A 20-turn coil of area 0.32 m2 is placed in a uniform magnetic field of 0.055 T so that the perpendicular to the plane of the co
makvit [3.9K]

Answer:

1.5 * 10^-2 Tm^2

Explanation:

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B = 0.055 T

A = 0.32 m^2

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Electric Flux = (0.055 T).(0.32 m^2).Cos(30) = 0.0152 = 1.5 * 10^-2 Tm^2

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