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An engine of a train moving with uniform acceleration passes an electric pole with velocity u and the last compartment with velocity v. The middle point of the train passes past the same pole with a velocity of (A) √((v^2-u^2)/2) (B) √((v^2+u^2)/2) (C) (u^2+v^2)/2 (D) (u+v)/2

An engine of a train moving with uniform acceleration passes an electric pole with velocity u and the last compartment with velocity v. The middle point of the train passes past the same pole with a velocity of


(A) √((v^2-u^2)/2)


(B) √((v^2+u^2)/2)


(C) (u^2+v^2)/2


(D) (u+v)/2


Grade:upto college level

3 Answers

India VK
42 Points
8 years ago

v^2 - u^2 = 2as

Find w such that

w^2 - u^2 = 2 (a)(s/2)

 

Eliminate (as) between the two equations.

Radhika Batra
247 Points
8 years ago

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teja
20 Points
8 years ago

D

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