Download Aptitude Crack
img not found img not found

UPSC Civil Service Exam Questions - Engineering

Q1:

The displacement of a particle undergoing rectilinear motion along the x-axis is given by x = 2t3- 21t2 + 60t + 6 (m)
The acceleration of the particle when its velocity is zero, is

A 36 m/s2

B ± 18 m/s2

C 9 m/s2

D - 9 m/s2

ANS:B - ± 18 m/s2

No answer description is available.