It takes 214 kJ of work to accelerate a car from 23.1 m/s to 29.3 m/s. What is the car's mass?

Answer 1

Work = 214,000 J
= difference in kinetic energy.
= (M/2)(V2^2 - V1^2)

Solve for M (in kg)

Answer 2

so would it be 1/2(29.3-23.1)/214000