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In addition, a moving charged body in a magnetic field experiences a force that is also proportional to its charge, in a direction perpendicular to both the field and the body's direction of motion. Using the vector cross product , F = q E + q v × B . {\displaystyle \mathbf {F} =q\mathbf {E} +q\mathbf {v} \times \mathbf {B} .}
The highest transition temperature (by June 2009) T c = 11.5 K is achieved in CaC 6, and it further increases under applied pressure (15.1 K at 8 GPa). [67] Graphite's ability to intercalate lithium ions without significant damage from swelling is what makes it the dominant anode material in lithium-ion batteries.
Rugby goalposts are H-shaped and are situated in the middle of the goal lines at each end of the field. They consist of two vertical poles (known as "uprights"), generally made of steel or other metal but sometimes wood or a plastic, 5.6 metres (6.1 yd) apart, connected by a horizontal "crossbar" 3 metres (3.3 yd) above the ground.