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pro vyhledávání: '"Nathan, Alan M."'
Experiments are done by colliding a swinging bat with a stationary baseball or softball. Each collision was recorded with high-speed cameras, from which the post-impact speed, launch angle, and spin of the ball could be determined. Initial bat speeds
Externí odkaz:
http://arxiv.org/abs/1610.03464
Three separate questions of relevance to Major League Baseball are investigated from a physics perspective. First, can a baseball be hit farther with a corked bat? Second, is there evidence that the baseball is more lively today than in earlier years
Externí odkaz:
http://arxiv.org/abs/1009.2549
Even professional baseball players occasionally find it difficult to gracefully approach seemingly routine pop-ups. This paper describes a set of towering pop-ups with trajectories that exhibit cusps and loops near the apex. For a normal fly ball, th
Externí odkaz:
http://arxiv.org/abs/0803.4357
New measurements are presented of the lift on a spinning baseball. The experiment utilizes a pitching machine to project the baseball horizontally; a high-speed motion capture system to measure the initial velocity and angular velocity and to track t
Externí odkaz:
http://arxiv.org/abs/physics/0605041
Autor:
Cross, Rod, Nathan, Alan M.
A ball can be hit faster if it is projected without spin but it can be hit farther if it is projected with backspin. Measurements are presented in this paper of the tradeoff between speed and spin for a baseball impacting a baseball bat. The results
Externí odkaz:
http://arxiv.org/abs/physics/0605040
Autor:
Nathan, Alan M.
Real Compton Scattering on the proton in the hard scattering regime is investigated. Recent theoretical developments are reviewed. Plans for new experimental studies at Jefferson Laboratory are presented.
Comment: Contribution to Workshop on Exc
Comment: Contribution to Workshop on Exc
Externí odkaz:
http://arxiv.org/abs/hep-ph/9908522
Autor:
Nathan, Alan M.
We discuss the physics motivation for a program of Real Compton Scattering on the proton in the regime where both the incident energy and the transverse momentum transfer are large. It is shown that such a program can test which of the various hard s
Externí odkaz:
http://arxiv.org/abs/hep-ph/9807397
Publikováno v:
In Procedia Engineering 2012 34:182-187
Autor:
Nathan, Alan M.
Publikováno v:
Scientific American, 1997 Sep 01. 277(3), 102-103.
Externí odkaz:
https://www.jstor.org/stable/24995925