4.5 meters is 14 feet and 9.17 inches.
390 meters = 1,279.53 feet.
The ratio is 5280 feet in a mile / 3600 seconds in an hour. So 45 m/h * 5280 f/m / 3600 s/h = 66 f/s
8,718.77 square feet.
22 Metre(s) = 72.1784776903 FeetDirect Conversion Formula 22 m*1 ft0.3048 m=72.17847769 ft
70 by 160 meters equals 11 200m211200 Square Metre(s) = 120,555.7966671489 Square Feet
45 mph is 237600 feet in 3600 seconds = 66 ft/s
Calculations when converted to SI system of units. 10 feet = 3.048 meters Formula is S=Pi*R^2 Pi~= 3.14 Ambiguous - ten feet is diameter, radius or length of a circle? if it's 10 feet radius, then S=3.14*3.048^2=29.1715546 sq meters or 314 square feet Assuming it is diameter, radius is would be half of it - 5 feet or 1.524 meter. S=3.14*1.524^2=7.29288864 sq meters or 78.5 square feet If it is the length of circle, the formula to get the radius is r=c/2Pi=3.048/(2*3.14)=0.485350318 meters or 1.59235669 feet Area then is S=3.14*0.485350318^2=0.739673884 sq meters or 7.96178342 sq feet
On earth . . . . 9.8 meters (32.1 feet) per second2 On the Moon . 1.6 meters (5.2 feet) per second2 On the sun 273.6 meters (897.6 feet) per second2 On Mercury . 3.7 meters (12.1 feet) per second2 On Venus . . 8.8 meters (28.9 feet) per second2 On Mars . . . 3.7 meters (12.1 feet) per second2 On Jupiter . 25.9 meters (85.0 feet) per second2 On Saturn . 11.2 meters ( 11.2 feet) per second2 On Uranus . . 9.0 meters ( 29.5 feet) per second2 On Neptune 11.3 meters (37.1 feet) per second2 On Pluto .. . . 0.58 meters (1.9 feet) per second2
3 m/s
4.5 m/s
cubic meters per second (m3/s) x 2,119 = cubic feet per minute (ft3/min)
Suppose the length of the shadow is s metres. Then tan(62 deg) = 45/S so that S = 45/tan(62 deg) = 45/1.88 (approx = 23.93 metres, approx.