A wave with a frequency of 2 Hz will have a period of ________
Fill in the blank(s) with correct word
one-half second (0.5 s)
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Our best data about the surface topography of Venus has come from:
A) Magellan radar data and radar observations of the planet from Earth. B) spacecraft flybys like Mariner 2 and visual observations of the planet. C) radio and visual observations. D) orbiter photos from Pioneer Venus Orbiter. E) the three flybys of Mariner 10.
A projectile is fired at an angle of elevation of 30°. Neglecting air resistance, what are possible angles in flight between the acceleration vector and the velocity vector?
a. 160° and 40° b. 20° and 70° c. 90° and 30° d. none of the above e. 10° and 30°
Show that the average drag coefficient for flow of a fluid over a flat surface, defined as
Work Done by a Gas: An expansion process on an ideal diatomic ideal gas has a linear path between the initial and final coordinates on a pV diagram. The coordinates of the initial state are: the pressure is 300 kPa, the volume is 0.0700 m3, and the temperature is 390 K. The final pressure is 130 kPa and the final temperature is 310 K. How much work is done by the gas during this process? (R = 8.31 J/mol ? K)
A. 13,000 J B. 6300 J C. 9400 J D. 16,000 J E. 19,000 J