A spar buoy consists of a circular cylinder, which floats with its axis oriented vertically. One such buoy has a radius of 1.00 m, a height of 2.00 m, and weighs 40.0 kN. What portion of it is submerged when it is floating in fresh water?
A) 1.35 m
B) 1.30 m
C) 1.25 m
D) 1.20 m
E) 1.50 m
B
Physics & Space Science
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How many states are in the n = 4 shell?
A. 4 B. 9 C. 16 D. 18 E. 32
Physics & Space Science
.0 L of an ideal nitrogen gas (N2) are at 0.00°C and 1.0 atm. The ideal gas constant is R = 8.314 J/mol ? K = 0.0821 L ? atm/mol ? K, Avogadro's number is 6.022 × 1023 molecules/mol, and the ATOMIC mass of nitrogen is 14 g/mol
(a) Determine the number of moles of N2. (b) How many molecules of N2 are present? (c) What is the mass of this gas? What will be an ideal response?
Physics & Space Science
which of the following stars lives the longest life?
What will be an ideal response?
Physics & Space Science
Farsightedness can be corrected with a converging lens
Indicate whether the statement is true or false
Physics & Space Science