Question

The Union Pacific Big Boy was a locomotive that was 132 feet long and weighed 1.2 million pounds. Its maximum speed was 80 mph.

Assume that two big boys accidentally collided head on while moving at their maximum speeds.

(a) How much momentum does one big boy have when it's moving at full speed (in SI units?)


(b) How much energy does one big boy have when it's moving at full speed (in SI units)?  

(c) How much energy is released when 1 ton of TNT explodes (according to Wikipedia)?


(d) How much energy is lost when the two trains collide (in megatons of TNT; use the correct abbrviation)?

Answer 1

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