The radius of a uniform solid sphere is measured to be (6.50 ± 0.20) cm, and its mass is measured to be (1.85 ± 0.02) kg. Determine the density of the sphere in kilograms per cubic meter and the uncertainty in the density.\
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A: Step 1 ∙Mass of man m=60kg ∙Flight 30 steps in 40sec. ∙Each step is 20cm high.
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Q: Food fight! Someone throws a perfectly good hamburger across the cafeteria. What velocity does iy…
A: given mass m=0.35 kgKE=79 J
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A: (a) Using conservation of energy
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