Question

5. A particle is moving in a straight line whose position
2
varies with time as x = 8t + — sinnt, where x is in
T
meter and t is in second. Then the position, velocity
and acceleration of a particle at t = 4 s respectively
are
(1) 128 m, 66 m/s, 14 m/s2
(2) 118 m, 66 m/s, 16 m/s2
(3) 128 m, 66 m/s, 16 m/s2
(4) 128 m, 44 m/s, 16 m/s2​

Answer 1

Answer:

( 3 ) is correct

Explanation:

( 3 ) is correct

Answer 2

Answer:

sorry not is the answer