Moment of Inertia: In the figure, a weightlifter's barbell consists of two identical small but dense spherical weights, each of mass 50 kg. These weights are connected by a thin 0.96-m rod with a mass of 24 kg. Find the moment of inertia of the barbell through the axis perpendicular to the rod at its center, assuming the two weights are small enough to be treated as point masses.
Fill in the blank(s) with the appropriate word(s).
24.9 kg ? m2
Physics & Space Science
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The pressure exerted by a gas is the result of __________
Fill in the blank(s) with correct word
Physics & Space Science
What is the binding energy per nucleon of 197Au (atomic number = 79)? (The following information regarding atomic masses will be needed: 197Au, 196.966 543 u; hydrogen, 1.007 825 u; neutron, 1.008 665 u; also 1 u = 931.5 MeV/c2)
a. 931 MeV b. 745 MeV c. 7.92 MeV d. 1870 MeV
Physics & Space Science
State Newton's 3rd law in your own words
What will be an ideal response?
Physics & Space Science
Single-celled life ruled the Earth from ________ to ________ billion years ago
Fill in the blank(s) with correct word
Physics & Space Science