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The tape was 0.1 inches (2.5 mm) wide and 0.003 inches (0.076 mm) thick running at 5 feet per second (1.5 m/s) past the recording and reproducing heads. This meant that the length of tape required for a half-hour program was nearly 1.8 miles (2.9 km) and a full reel weighed 55 pounds (25 kg).
Three vinyl records of different formats, from left to right: a 12 inch LP, a 10 inch LP, a 7 inch single. A phonograph record (also known as a gramophone record, especially in British English) or a vinyl record (for later varieties only) is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove.
[2] The entirety of Community Board 6, which covers areas around Park Slope and Carroll Gardens, had 109,351 inhabitants as of NYC Health's 2018 Community Health Profile, with an average life expectancy of 81.4 years. [92]: 2, 20 This is slightly higher than the median life expectancy of 81.2 for all New York City neighborhoods.
The movie was released shortly before AT&T began its efforts to commercialize its Picturephone Mod II service in several cities and depicts a video call to Earth using an advanced AT&T videophone—which it predicts will cost $1.70 for a two-minute call in 2001 (a fraction of the company's real rates on Earth in 1968).
Al 2 O 3: 6.9 23 18 12 — Fe 2 O 3: 3 11 6 1 — CaO 63 5 21 40 < 1 MgO 2.5 — — — — SO 3: 1.7 — — — — Specific surface (m 2 /kg) [d] 370 420 420 400 15,000 – 30,000 Specific gravity 3.15 2.38 2.65 2.94 2.22 General purpose Primary binder Cement replacement Cement replacement Cement replacement Property enhancer
Thus, gravity must be divided into its component vectors. Only the fraction of gravity equal to the cosine of the angle of fire with respect to the horizon affects the rate of fall of the bullet, with the remainder adding or subtracting negligible velocity to the bullet along its trajectory. To find the correct zero, the sniper multiplies the ...
A unit of area traditionally defined as the area of one chain (66 feet) by one furlong (660 feet), equivalent to 43,560 square feet (0.001563 sq mi; 4,047 m 2), or about 0.40 hectare. acreage A quantity of land; several acres considered collectively, united by their ownership, management, usage, geographical location, or some other unifying ...