A point initially at rest moves along 𝑥 −axis. Its acceleration varies with time as 𝑎 = (6𝑡 + 5)ms−2 . If it starts from origin, the distance covered in 2 s is

April 11, 2022

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Physics Problems

Question : A point initially at rest moves along 𝑥 −axis. Its acceleration varies with time as 𝑎 = (6𝑡 + 5)ms−2 . If it starts from origin, the distance covered in 2 s is

(A) 20 m

(B) 18 m

(D) 25 m

Answer : option (B)

Solution :

A point initially at rest moves along 𝑥 −axis. Its acceleration varies with time as 𝑎 = (6𝑡 + 5)ms−2 . If it starts from origin, the distance covered in 2 s is