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if a character launches a 200kg metal ball against a common wall at Mach 300, but the wall remains largely undamaged, the energy required to cause the minor damage on the wall would take priority over the kinetic energy derived from speed in this case.
What if this 200 kg ball hit the guy who is 5-A and so didn't harmed him and falls on the ground. Will the guy who threw this ball won't get K.E. since ball didn't get destroyed?