Starting from rest, acceleration of a particle is ๐‘Ž = 2(๐‘ก โˆ’ 1). The velocity of the particle at ๐‘ก = 5๐‘  is

Question : Starting from rest, acceleration of a particle is ๐‘Ž = 2(๐‘ก โˆ’ 1). The velocity of the particle at ๐‘ก = 5๐‘  is

(A) 15 ๐‘š/๐‘ ๐‘’๐‘

(B) 25 ๐‘š/๐‘ ๐‘’๐‘

(C) 5 ๐‘š/๐‘ ๐‘’๐‘

(D) None of these

Answer : option (A)

Solution :

Starting from rest, acceleration of a particle is ๐‘Ž = 2(๐‘ก โˆ’ 1). The velocity of the particle at ๐‘ก = 5๐‘  is
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