Question

M =1500 kg
V= 336 km/hr
V = 72 km/hr
∆P= ?

Answer 1

Answer:GIVEN,

        MASS, m                    = 1500 kg

        INITIAL VELOCITY,u  = 36 km/h = 36*5/18 = 10 m/s

        FINAL VELOCITY ,v   = 72 km/h =  72*5/18=  20 m/s

         FORMULA : 

                 CHANGE IN MOMENTUM,p = mv - mu

                               1500*20 - 1500*10

                                30000 - 15000

                                  = 15000 kg m/s 

Answer 2

Answer:

P = m(V1 - V2)

= 1500(336-72)

= 1500(264)

= 396000 kgkm/hr

= 110000 kg m/s

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