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In the first part of the experiment, one group of students recorded 1.349 m and 0.809...

In the first part of the experiment, one group of students recorded 1.349 m and 0.809 m as their Range and Height measurements, respectively. What is the marble's initial muzzle speed in m/s unit? Enter your number with correct amount of significant figures, assuming g=9.80 m/s2.

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