A particle is fired vertically upwards with a speed of √0.8 ve, wher – McqOptions

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1.	A particle is fired vertically upwards with a speed of √0.8 ve, where ve is the escape velocity. If the radius of the earth is R, then the maximum height attained by the particle will be _________.
A.	2R
B.	3R
C.	4R
D.	R
Answer» D. R

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