According to the general theory of relativity, kinetic energy contributes to gravitational mass. Surprisingly, the observational evidence for this prediction does not seem to be discussed in the literature. I reanalyze existing experimental data to test the equivalence principle for the kinetic energy of atomic electrons, and show that fairly strong limits on possible violations can be obtained...

The electromagnetic field associated with a uniformly accelerated charge is studied in some detail. The equivalence principle paradox that the co-accelerating observer measures no radiation while a freely falling observer measures the standard radiation of an accelerated charge is resolved by noting that all the radiation goes into the region of space time inaccessible to the co-accelerating ob...

In this study, a step process of semi-Markovian random walk with delaying barriers at  a and  b levels ( 0   b a ) and first falling moment of the process into the delaying barrier at b -level, ) ( , are mathematically constructed, in this case when the random walk happens according to the Laplace’s distribution ) 1 ; 1 (   L . It is given a simple form of the Laplace transformation of t...

The purpose of this study was to determine the effectiveness of a systematic, explicit, intensive Tier 3 (tertiary) intervention on the mathematics performance of students in second grade with severe mathematics difficulties. A multiple-baseline design across groups of participants showed improved mathematics performance on number and operations concepts and procedures, which are the foundation...

This stujly examined paranoid and nonparanoid schizophrenic performance on a battery of information processing measures spanning precategorical processing, short-tei|m memory, and long-term memory. Multivariate analyses of the multiple processing indexes revealed two performance dimensions. The first represented "processing efficiency" maximally separating the paranoids and nonpatients, with th...

This study aims to assess the prevalence of falls, understand their consequences, identify causes and analyze intervention strategies to prevent them. This is a descriptive longitudinal study, from 2007 to 2009, in which nurses recorded patients' falls in a medicine ward, using a scale developed for this end. Most falls occurred with partially dependent patients, with a mean age ranging from 64...

BACKGROUND AND OBJECTIVES Hemodialysis patients are at high risk both for falling and for serious complications associated with falls, but few fall studies have specifically focused on this population. Falls occurring in an outpatient dialysis unit were reviewed to identify contributing factors and implement interventions designed to reduce fall risk. DESIGN, SETTING, PARTICIPANTS, & MEASUREM...

Experiments using diverse paradigms, including speeded discrimination, indicate that pitch and visually-perceived size interact perceptually, and that higher pitch is congruent with smaller size. While nearly all of these studies used static stimuli, here we examine the interaction of dynamic pitch and dynamic size, using Garner's speeded discrimination paradigm. Experiment 1 examined the inter...

cases is not so great as to warrant us in regarding such interference as a commonplace of practice. Further, almost every case has features of its own, either in its history, its clinical manifestations, or in the details of the operation, and this, along with the fact that the diagnosis of the precise condition of things to be dealt with is not always too clear, renders the account of any case...

An original setup is presented to measure the Newtonian Constant of Gravitation G. It is based on the same principle as used in ballistic absolute gravimeters. The differential acceleration of three simultaneously freely falling test masses is measured in order to determine G. In this paper, a description of the experimental setup is presented. A detailed uncertainty budget estimates the relati...