engineering recuitment BHEL Engineer Trainee Mock Test 2025 Engineering Mechanics Kinematics and Kinetics Rectilinear Motion
Rectilinear motion of a particle is defined by the relation s = t3 - 4t2 + 20t - 3. Calculate the velocity when time (t) = 5 sec. consider that value 's' is measure in meters.
1
55 m/sec
2
156 m/sec
3
78 m/sec
4
122 m/sec