The thermal energy produced in the collision.
Answer to Problem 46P
Solution:
Thermal energy produced during the collision
During collision mechanical energy is converted into thermal energy.
Explanation of Solution
Given:
Mass of each rail road cars=
Travelling speed
After collision each rail road cars are at rest that is final velocity is 0.
Concept used:
Conservation of energy
Initial potential energy:
Final potential energy:
Initial kinetic energy:
Final kinetic energy:
Thermal energy: Q
Calculation:
Initial K.E of both rail road cars
Convert speed from km to m:
So, initial kinetic energy of both rail road cars:
Final K.E ( K.E after collision) =
Apply conservation of energy
Hence, the thermal energy developed during the collision
Conclusion:
During collision mechanical energy is converted into thermal energy.
Chapter 6 Solutions
Physics: Principles with Applications
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