The car is traveling at v=12m/s. Kinetic energy is given by this formula:

We can see that if the kinetic energy depends on the speed quadratically. This means that if you want to increase the kinetic energy x times you would have to increase speed

times. We conclude from this that car would have to go:
That only the best traits would go through. The weaker trait in the animals would eventually die off.
Answer:
the answer will be 5.6 j..
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