40 RF = 40 foot reefer (standard) 40 RF = 40 foot high cube container (usually 30 cms higher)
30 degree angle
One recommendation for classrooms is to have an illumination at desk level of 30 to 50 foot candles.
... of about 61 feet.
Answer #1:Free fall is motion due to gravity.centripetal force causes the acceleration in a circular motion.===========================Answer #2:"Acceleration" means a change in either the speed or the direction of motion.(Or both, of course.)Maintaining a steady 30 miles per hour as you round a curve is acceleration.In the case of free fall, the speed is constantly increasing.In the case of circular moltion, the direction is constantly changing, and the speed could also be.
No. Not unless you carry it for 30 feet without dropping it.
20-30 lbs
probaly death or man broken bones
MythBusters - 2003 22000 Foot Fall 4-28 was released on: USA: 13 December 2006 Finland: 30 December 2012
2% grade is equal to a 1/4" per foot fall
3 foot = 1 yard so 30 foot x 30 foot floor = 10 yard x 10 yard floor = 100 square yards.
30 grams
The circumference of a 30-foot diameter circle is: 94.248 feet.
900 square feet
390 = 13 x 30
70' x 30' = 70*30 square feet = 2100 sq feet.
12 inches = 1 foot Thus the tiles would be 1 foot square. You therefore need 30 to cover a 30 square foot room.