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Page 24
Reference Tables (cont'd.)
Miscellaneous Constants
1 btu/hr
.
1 horsepower
<. . . .
c.
CF
.
■7T
1 ft/sec.
iog10(m).
Acceleration of gravity
Speed of sound
. . .
Speed of light . . . *
. . ~ .2931 watts
. . " 745.7 watts
- 550 ft. Ib/sec
= 5/9 x (°F-32)
. = (9/5 x °) + 32
. .
= 3.1415927
. . = .6818 mi/hr
= 2.302585 Im (m)
= 32.17 ft/sec/sec
. . = 1089 ft/sec
« 186,272 mi/sec
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