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Satellite revolving around the earth at ...

Satellite revolving around the earth at a height of 400 Km above the earth's surface has a time period of about

A

200km/hr

B

150 km/hr

C

`100 sqrt2` km/hr

D

0

Text Solution

Verified by Experts

The correct Answer is:
A
`Delta v= v_(f)- v_(i)= - v hat(i) - v hat(i)`
`= -2v hat(i)= - 200 hat(i)`
Magnitude- `Delta v= 200km//h`
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