In a typical fender bender, a 1500 kg car traveling at 48 kph collides inelastic

Question

In a typical fender bender, a 1500 kg car traveling at 48 kph collides inelastically with a 1200 kg car traveling at 32 kph in the same direction. How much of the initial kinetic energy of the cars is transformed into other forms of energy (heat, sound, etc.)? 13159 J 84107 J 21027 J 3290 J 42053 J 6580 J In a typical fender bender, a 1500 kg car traveling at 48 kph collides inelastically with a 1200 kg car traveling at 32 kph in the same direction. How much of the initial kinetic energy of the cars is transformed into other forms of energy (heat, sound, etc.)? 13159 J In a typical fender bender, a 1500 kg car traveling at 48 kph collides inelastically with a 1200 kg car traveling at 32 kph in the same direction. How much of the initial kinetic energy of the cars is transformed into other forms of energy (heat, sound, etc.)? 13159 J In a typical fender bender, a 1500 kg car traveling at 48 kph collides inelastically with a 1200 kg car traveling at 32 kph in the same direction. How much of the initial kinetic energy of the cars is transformed into other forms of energy (heat, sound, etc.)? 13159 J In a typical fender bender, a 1500 kg car traveling at 48 kph collides inelastically with a 1200 kg car traveling at 32 kph in the same direction. How much of the initial kinetic energy of the cars is transformed into other forms of energy (heat, sound, etc.)? 13159 J 84107 J 21027 J 3290 J 42053 J 6580 J 84107 J 21027 J 3290 J 42053 J 6580 J 84107 J 21027 J 3290 J 42053 J 6580 J

Explanation / Answer

m1v1+m2v2=(m1+m2)v

1500x13.33+1200x8.889=2700xv

v=11.35m/sec

kinetic energy loss=(0.5x1500x13.33^2+05x1200x8.889^2)-0.5x2700x11.35^2=6580J

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