hey friend please solve this question for me.....
A motor car is going due north at a speed of 50 km per hour it makes a 90 degree left turn without changing the speed that changed in the velocity of the car is about????
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parmardevu:
qu. m sb compound ka mass de rkha h to hm no. of moles nikal skte h... or conc. n/v hoti h.. to sb k mol ko add kr k volume se divide kr do pr volume de nii rkha bs yhi problem ho rhi h... agr volume ko 1 litre le to ans. 0.7 aega...
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