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Grade: 11
        
 A girl of mass 25kg running with a speed of 1.5m/s jumps on a skateboard  of mass 2kg kept on smooth surface.  What will be their combined velocity? 
10 months ago

Answers : (1)

Arun
22572 Points
							
Dear student
 
Apply consevation of momentum
m1v1+m2v2 = (m1+m2)v
25×1.5+2×0 = (25+2)v
v= 1.388
 
Regards
Arun (askIITians forum expert)
10 months ago
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