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Himanshu (9616)

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a vehicle of mass m travelling with vel. "v" stopped by applying const. braking force "f" within a dist. "x"
 
 
                  x/x * 100 = {(v2)2 - (v1)2 } / (v1)2  * 100
 
% dec  in v1 = 20%
then % dec in x = 30%
 
if dec in v1 = 10%
then dec in x = 19%
 
if inc. in v1 = 10%
inc. in x = 21%..............................

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