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lidiya [134]
3 years ago
5

Assume a comet is traveling at a constant velocity in deep space. Why would it speed up as it approaches our solar system?

Physics
1 answer:
allsm [11]3 years ago
6 0
D
The comet has no net force acting on it, which results in constant velocity. Near our solar system, the influence of the gravitational forces due to the sun and the planets will increase as we know that gravitational force is:
F = GMm/r²
The net force will produce an acceleration on the comet, which will cause its velocity to change.
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Answer:

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How long does it take for a train to increase its velocity from 10m/s to 40m/s if it accelerates at 3 m/s
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Answer:

Explanation:

Givens

Vi = 10 m/s

Vf = 40 m/s

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Formula

a = (vf - vi) /t              Substitute the givens into this formuls

Solution

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3*t = t(40 - 10)/t        Combine. Cancel t's on the right

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