This is a preview. Log in through your library . Abstract In this paper, we discuss the merits of two models for the swirl velocity in the core of a confined bidirectional vortex. The first is ...

In many physics problems, we simply ignore the air drag force. Why? Because of two reasons. First, the effects of air drag are often small when dealing with falling balls and rolling carts (a staple ...

Do scientists need to re-examine the basic model of the universe? Using new measurements of cosmic distances, astronomers have refined their calculation of the Hubble Constant, a number that describes ...

LONDON--(BUSINESS WIRE)--Technavio has been monitoring the automotive constant velocity joint market and it is poised to grow by 99.99 million units during 2020-2024, progressing at a CAGR of over 4% ...