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Physics 5 6PH05 Help?

A small satellite has a weight of 1200 N at the Earth's surface. It is launched in to a circular orbit with radius equal to twice the radius of the earth. The weight of the satellite in this orbit is: A- 0 N B- 300 N C- 600 N D- 1200 N so can someone explain this with the correct answer please?
- maths maldives
- Thread
- Jun 15, 2013
- Replies: 8
- Forum: A-Levels
M
PHYSICS UNIT 4 (6PH04) HELP!

hi, for this question the answer they say is B! my question is why not D?
- maths maldives
- Thread
- Jun 7, 2013
- Replies: 14
- Forum: A-Levels
M
as physics help

please someone explain this with formula needed! The acceleration of free fall on Mars is 3.7 m s–2. If an object on Mars is launched vertically upwards with an initial speed of 40 m s–1, its speed after 3.0 s will be A 11 m s–1 B 29 m s–1 C 36 m s–1 D 51 m s–1
- maths maldives
- Thread
- May 16, 2012
- Replies: 9
- Forum: A-Levels

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