A) Three identical very dense masses of 5000kg each are placed on the x axis. One...

A) Three identical very dense masses of 5000kg each are placed on the x axis. One mass is at x1 = -130cm , one is at the origin, and one is at x2 = 400 cm.

1) What is the magnitude of the net gravitational force Fgrav on the mass at the origin due to the other two masses? Take the gravitational constant to be G = 6.67×10⁻¹¹ N⋅m2/kg2N. Express your answer in newtons to three significant figures.

2) What is the direction of the net gravitational force on the mass at the origin due to the other two masses?

+x direction

-x direction

B) The space shuttle releases a satellite into a circular orbit 545km above the Earth.

1) How fast must the shuttle be moving (relative to Earth) when the release occurs?

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genius_generous answered 1 year ago

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