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Physics - Gravitation Question with Solution | TestHub

PhysicsGravitationKepler's LawEasy2 minPYQ_2020

PhysicsEasysingle choice

The time period of a satellite of earth is $5$ hours. If the separation between the earth and the satellite is increased to $4$ times the previous value, the new time period will become

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Answer:

Solution:

$T^{2} \propto r^{3}; T'^{2} \propto {(4 r)}^{3}$

or $\frac{T'^{2}}{T^{2}} = 64$

or $\frac{T'}{T} = 8$

or $T' = 8 \times 5 h = 40 h$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:GravitationSubtopic:Kepler's Law

⏱ 2mℹ️ Source: PYQ_2020

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