منابع مشابه
”Centrifugal force: A gedanken experiment”—new surprises
A recently proposed gedanken experiment [G.Z. Machabeli and A.D. Rogava. Phys. Rev. A 50, 98 (1994)], exhibiting surprising behavior, is reexamined. A description of this behavior in terms of the laboratory inertial frame is presented, avoiding uncertainties arising due to a definition of a centrifugal force in relativity. The surprising analogy with the radial geodesic motion in Schwarzschild ...
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Ruo-Qian Wang, Adrian Wing-Keung Law, E. Eric Adams, and Oliver B. Fringer Singapore-MIT Alliance for Research and Technology, Singapore 117543, Singapore School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Massachusetts 02139, USA Environmental Flui...
متن کاملDynamic nuclear polarization in a magnetic resonance force microscope experiment.
We report achieving enhanced nuclear magnetization in a magnetic resonance force microscope experiment at 0.6 tesla and 4.2 kelvin using the dynamic nuclear polarization (DNP) effect. In our experiments a microwire coplanar waveguide delivered radiowaves to excite nuclear spins and microwaves to excite electron spins in a 250 nm thick nitroxide-doped polystyrene sample. Both electron and proton...
متن کاملOpen Jet Testing for Buoyant and Hybrid Buoyant Aerial Vehicles
Open jet testing is a valuable testing technique which provides the desired results with reasonable accuracy. It has been used in past for the airships and now has recently been applied for the hybrid ones, having more non-buoyant force coming from the wings, empennage and the fuselage. In the present review work, an effort has been done to review the challenges involved in open jet testing. In...
متن کاملEquilibrium shape of a buoyant particle
Small particles on supports have been of interest for many years both scientifically and with respect to their uses in heterogeneous catalysis. One of the common and often critical questions is the shape of a small particle, i.e., spherical or faceted, since many of the properties depend upon the relative populations of different surface planes and edges. The question of the equilibrium shape o...
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ژورنال
عنوان ژورنال: Revista Brasileira de Ensino de Física
سال: 2014
ISSN: 1806-1117
DOI: 10.1590/s1806-11172014000200009