Question

All the equations of the chapter motion of class 9th

Answer 1

class 9th icse u need.........

Answer 2

1. Density is mass per unit volume.so Density = mass / volume,

2.velocity = displacement / time.

3.Force = rate of change of momentum

4.Momentum = mass . velocity

5.Power is rate of work done ( Power = work / time ) ,Unit of power is watt

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