1)Dyne X second stands for the unit of a) force b) Momentum
c)energy d)power
2)A man walks 4 km towards north in one hour and 3 km towards east in next hour .His average velocity is .plzz give Answer with solution
a)5 km/hr b)7 km/hr
c)2.5 km/hr d)3.5 km/hr
3)A car traveling in a straight line moves with uniform velocity v1 over a distance x and another car moves with a uniform velocity v2 over a further distance y.If x=y,then the average velocity v is given by
a)v1+v2/2 b)1/v=1/v1+1/v2
c)root of v1 v2 c)1/v=1/v1 -1/v2
c)energy d)power
2)A man walks 4 km towards north in one hour and 3 km towards east in next hour .His average velocity is .plzz give Answer with solution
a)5 km/hr b)7 km/hr
c)2.5 km/hr d)3.5 km/hr
3)A car traveling in a straight line moves with uniform velocity v1 over a distance x and another car moves with a uniform velocity v2 over a further distance y.If x=y,then the average velocity v is given by
a)v1+v2/2 b)1/v=1/v1+1/v2
c)root of v1 v2 c)1/v=1/v1 -1/v2
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