What would be possible if we had cartoon physics instead of the physics that we have now?

We could travel backward in time at warp speed and find Jesus.

Well, jumping off a balcony to avoid being burned to death would take too long to save yourself.

(It took the coyote a while to fall after running off a cliff---I would find delayed gravity personally quite inconvenient.)

Physics might be illogical, and a lot funnier.
Engineering anything would be impossible.
Actually, it would create a paradox:
the cartoon exists but nothing would exist.

I'm pretty sure that is the basis of physics.   We imagine and we formulate.  

Falling out of an airplane and making a deep (man shaped) hole in the ground as you land, the crawling out of the hole unhurt.

Knocking out a baddie by shooting a gallon of ejaculate at him (from the source). This post was edited by JakobA the unAmerican. at January 17, 2018 10:18 PM MST

We already have cartoon physics.

The alleged scientific method:
1. Observe something.
2. Formulate a hypothesis.
3. Devise a test.
4. If the test fails, go to #2.
5. If the test passes and is confirmed, the hypothesis might be promoted to a theory and used to prove other hypotheses. And it might not.

The actual scientific method:
1. Formulate a theory.
2. Make a computer simulation.
3. Compare the simulation to observed data.
4. If they don't agree, find some way to adjust the data. If you can't adjust the data, ignore it.
5. Be sure your fellow scientists will agree with your findings, then publish.

One example is dark matter. Wikipedia.org records that it was invented in 1938 by Ian Oort specifically to fudge his data to agree with his theory. Fast forward eighty years and it is the foundation of all astronomy.