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In the previous question, the height att...

In the previous question, the height attained by the rocket before deceleration is :

A

1 km

B

10km

C

20km

D

60 km

Text Solution

Verified by Experts

The correct Answer is:
B
Height before retardation
`(1)/(2)xx(20)xx1000=10,000=10 km`
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