Answer:
12 m/s
Step-by-step explanation:
Given,
Kinetic energy ( K.E ) = 18000 J
Mass ( m ) = 250 kg
To find : Velocity ( v )
Formula : -
K.E = mv²/2
v² = 2 K.E / m
= 2 x 18000 / 250
= 2 x 72
= 144
= 12 x 12
v² = 12²
v = 12 m/s
Therefore,
the velocity of the car is 12 m/s