Velocity at the end of 3.6 s is -8.64 m/s
Step-by-step explanation:
We have equation of motion v = u + at
Initial velocity, u 0 m/s
Final velocity, v = ?
Time, t = 3.6 s
Acceleration, a = -2.40 m/s²
Substituting
v = u + at
v = 0 + -2.40 x 3.6
v = -8.64 m/s
Velocity at the end of 3.6 s is -8.64 m/s