Question

Derive an expression for kinetic energy. A car before stopping moving at speed of 5m/s with passanger of mass 1200 kg and mass of car is 1180 kg. What is the work done by break to stop car?​

Answer 1

Answer:

Explanation:

F.S=KE

∴S=  

F

KE

​  

=  

6000

2

1

​  

×1000×15  

2

 

​  

=18.75m

Answer 2

Explanation:

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