Question

the speed of a car increases four times. what is the increase in its kinetic energy?​

Answer 1

16 times the original speed. Mark as brainliest

Answer 2

You say the car increases 4 times, but not by how much it increases on each of the 4 times.

If you mean by 4 times, kinetic energy equals .5MV^2 should help you. i.e 16 times.