An organism having red blood cell but not due to haemoglobin ...name the organism and component present in organism which is responsible for red blood cell in those organism?????
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)A tennis ball of mass 0.11 kg traveling at 40 m/s hits a wall head on and bounces off, returning along the same path at 30 m/s. (i) Calculate the change in velocity of the ball (ii) Calculate the change in momentum of that ball. including the unit in your answer.
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