NEET Class neet Answered
solve it plz
Asked by lokesh9461275961 | 23 Jul, 2022, 10:13: AM
Expert Answer
Displacement S = t3 - 6 t2 + 3 t + 4 ........................ (1)
velocity v = dS/dt = 3 t2 - 12 t + 3 ......................... (2)
acceleration a = dv/dt = 6t - 12 ............................(3)
when t = 2 s , we get acceleration a is zero from eqn.(3)
velocity v at t = 2 s is determined from eqn.(2)
v(2) = 3 × 22 - 12 × 2 + 3 = - 9 m/s
Answered by Thiyagarajan K | 23 Jul, 2022, 11:32: AM
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