Question

A particle is moving along positive X-axis. Its position varies as x = t3 - 312 + 12+ + 20, where x is in
meters and t is in seconds.
(D) 20 m/s
Initial velocity of the particle is.
(A) 1 m/s
(B) 3 m/s
(C) 12 m/s
Initial acceleration of the particle is
(A) Zero
(B) 1 m/s2
(C) – 3m/s2
Velocity of the particle when its acceleration zero is
(A) 1 m/s
(B) 3 m/s
(C) 6 m/s
(D) - 6 m/s2
3.
(D) 9 m/s​

Answer 1

Answer:

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