Speaking from past experience, soybean projects always do well in science fairs. The soybean industry is growing and so a child that demonstrates a project growing soybeans or using them to make a product could do really well in a science fair.
Chat with our AI personalities
(Angular displacement divided by 360 degrees or pi radians)/(Time measured in minutes)
It depends upon the circumference of the rotating object such as a wheel. Deriving the formula, let the radius of the wheel be r then, the circumference of a circle is = (2 X (pi) X r) the total distance covered by the wheel in one min = (2 X (pi) X r) X rpm now, if the object's diameter is measured in meters then the formula would be, (2 X (pi) X r X rpm X 60) / 1000 else if in different unit then just convert it to meters
It depends on the size of your rotor g=(1.118x10^-5)xradius of rotor in cm x speed of centrifuge in rev/min^2
It only takes one to damage the lawnmower.
Your engine is not running or your "RPM gauge" is broken.