Results 181 to 190 of about 289 (216)
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Mathematical model of pneumatic multichamber rotational drive

Soviet Mining Science, 1986
A mathematical model of a pneumatic rotary drill is described which incorporates the pneumatic and thermodynamic parameters of the drill into a design optimization formulation from the standpoint of rock drilling in the mining industry.
N. N. Labuzov   +2 more
openaire   +1 more source

Physical-Mathematical Reasoning: Galileo on the Extruding Power of Terrestrial Rotation

Synthese, 2003
The paper deals with Galileo's refutation of an objection to Copernicanism that pertains to the topic of circular motion and the centrifugal forces connected to it. In a rotating system, all bodies have a tendency to move away from the center of rotation, as a consequence of the centrifugal force.
openaire   +2 more sources

Mathematical model of the cylinder rotations in a viscous medium

AIP Conference Proceedings, 2014
In the paper movement of a rotating cylinder in a viscous medium is considered. Control law provides given position of the cylinder at the finite time minimizing the work of the drag forces to rotation is found. In the case when the control force is applied in the direction of the axis of symmetry the problem is singular.
openaire   +1 more source

Can (perceived) mental-rotation performance mediate gender differences in math anxiety in adolescents and young adults?

Mathematics Education Research Journal, 2021
Martina Rahe, Claudia Quaiser-Pohl
exaly  

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