Velocity is SPEED in a certain direction
and train requires more energy to reach 90mph
say if object A has 90psi (power)= 10kg(mass) x 9mph(velocity/speed)
Object B also has 90 PSI= 30 kg x 3 mph.
you can compensate the lack of mass with more velocity. hence speed equals power.
and train requires more energy to reach 90mph
say if object A has 90psi (power)= 10kg(mass) x 9mph(velocity/speed)
Object B also has 90 PSI= 30 kg x 3 mph.
you can compensate the lack of mass with more velocity. hence speed equals power.
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