kianofou1955 kianofou1955

20-02-2024
Physics

contestada

There is a 10 kg cinderblock sitting completely still. jet lee karate chops it in half into a 4kg piece and a 6kg piece moving at 15 m/s east. What is the velocity of the 4kg piece? a) 15 m/s east
b) 20 m/s east
c) 25 m/s east
d) 30 m/s east

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