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Distance and Displacement

40. An astron...

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40. An astronaut orbiting in a spaceship round the earth has a centripetal acceleration of 2.45m/s. The height of spaceship from earth surface is (R= radius of earth)

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Q. An astronaut orbiting in a spaceship round the earth has a centripetal acceleration of

2.45 {m/s}^{2}

. The height of the spaceship from earth's surface is

(R =

radius of earth

)

Q. An astronaut orbiting in a spaceship around the earth has a centripetal acceleration of

2.5 {m/s}^{2}

. The height of spaceship from earth's surface is (

R =

radius of earth and take

g = 10 {m/s}^{2}

Q. An astronaut, orbiting in a spaceship round the earth, has a centripetal acceleration of

6.67 m / s^{2}

. Find the height of the spaceship above the surface of the earth.
(

G = 6.67 \times 10^{11} N m^{2} / k g^{2}

, radius of the earth = 6400 km)

Q. Assertion :An astronaut inside a massive spaceship orbiting around the earth will experience a finite but small gravitational force. Reason: The centripetal force necessary to keep the spaceship in orbit around the earth is provided to keep the spaceship in orbit.

Q. An astronaut orbiting the earth in a circular orbit

120 k m

above the surface of earth, gently drops a ball from the spaceship. The ball will:

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