MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Escape Speed

Imagine that ...

Question

Imagine that you are in a spacecraft orbiting around the earth in a circle of radius 7000km.(from the centre of the earth)if you decrease the magnitude of mechanical energy of the spacecraft with system by 10% firing rockets then what is the greatest height you can take your spacecraft above the surface of the earth (Re=6400km)

Open in App

Solution

2140 km

Suggest Corrections

thumbs-up

0

Similar questions

3180 - k g

spacecraft is in a circular orbit

2230 k m

above the surface of Mars.
How much work must the spacecraft engines perform to move the spacecraft to a circular orbit that is

4170 k m

above the surface?

Q. An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitude of escape velocity from the earth's surface. Total energy is always constant at any orbit. (Radius of the earth is

6400 k m

)
The height of the satellite above the Earth surface

Q. How much work will be done to take a space draft orbiting at

200 k m

above the surface of earth to an orbit at

4000 k m

above the surface of the earth? Assume circular orbit. Mass of spacecraft equal to

2000 k g .

Q. An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitude of escape velocity from the surface of earth. (Radius of earth

= 6400 k m)

. Determine the height of the satellite above the earth's surface.

Q. An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitude of the escape velocity from the earth. The height

(h)

of the satellite above the earth's surface is (Take radius of earth as

R_{e})

.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Escape Velocity

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon