A popular end for many cartoon characters is to fall into a "bottomless pit" in which the unfortunate character will fall forever. Consider the space shuttle in orbit around the Earth
Argue that there is a strong analogy between the cartoon "bottomless pit" and the orbital motion of the shuttle.
The orbital motion of the space shuttle allows it to be in a constant state of free-fall.
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Suppose that you wish to construct a simple ac generator having an output of 12 V maximum when rotated at 60 Hz. A uniform magnetic field of 0.050 T is available. If the area of the rotating coil is 100 cm2, how many turns do you need?
A) 8 B) 16 C) 32 D) 64 E) 128
In the situation shown in figure T2.5c, the width of the bell curve at half its peak value is 0.021U. If we multiply NA, NB, and U by a factor of 100, then the peak’s width (as you can check) is about 0.0021U. Suppose that we increase each solid’s N and the system’s total energy by another factor of 1018 to create solids containing 1/6 of a mole of atoms (still pretty small objects by everyday standards). Assuming that the trend continues, what will be the approximate width of the combined system’s probability bell curve as a fraction of U?
A. 2 × 10-20 B. 2 × 10-22 C. 2 × 10-10 D. 2 × 10-12 E. 2 × 10-40 F. 2 × 10-42 T. Some other factor (specify).
A(n) ____ is 1/60th of a minute of arc
a. precession b. second of arc c. degree d. nadir e. angular diameter
A particle whose mass is 2 kg moves in the xy plane with a constant speed of 3 m/s in the x direction along the line y = 5. What is its angular momentum (in kg?m2/s) relative to the origin?
A.
B.
C.
D.
E.