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Grade: 12th pass 

                        
A 500 kg car drive 1 km along a horizontal road at 25 km/hrs then how much energy is required to the car move in 1 km
3 years ago

Answers : (1)

Arun
24737 Points 
							
 =2as => a=200 m/s2Force applied by hammer= 200x1=200 Ntime of impact= 2/200=0.01 seconds=10 milli seconds2-u2v=0 m/s , u=2 m/s => v
hope it helps
3 years ago
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