2 years ago

Does a satellite have its greatest speed when it is closest to or farthest from earth?

Physics

2 answers:

Jet001 [13]2 years ago

3 0

When it is closest to the earth.

Pie2 years ago

3 0

Gravitational force is inversely proportion to the square of distance between 2 objects. So a satellite will have greatest speed when it's closer to earth.

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An object of mass 8kg is attached to massless string of length 2m and swum with a tangential velocity of 3 what is the tension o

Paul [167]

Answer:

36 N

Explanation:

If the object of mass, m = 8 kg is swung in a horizontal circle of radius, r = 2m = length of string with tangential velocity v = 3 m/s, the tension in the string is the centripetal force which is T = mv²/r

= 8 kg × (3 m/s)²/2 m

= 4 kg × 9 m/s²

= 36 N

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2 years ago

In the water cycle, which state of matter has the particles closest together?

Dmitry [639]

No, options are given but I believe the answer would be
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