Αποτελέσματα Αναζήτησης
Powers of quantities: % uncertainty of quantity is multiplied by power to obtain % uncertainty in result. Trigonometric rules of triangles are applied when taking components of vector quantities. Equations applied to uniform motion (known as ‘suvat’ equations).
Mathematical equations Area of a triangle Ab h 1 2 where b is the base, h is the height Area of a circle Ar= π 2 where r is the radius Circumference of a circle Cr= 2π Volume of a cuboid Vwl h where l is the length, w is the width, h is the height Volume of a cylinder Vr2h Volume of a prism VA h where A is the area of cross-section Volume of a sphere Vr= 4
A-level Physics data and formulae For use in exams from the June 2017 Series onwards Version 1.5 1 DATA - FUNDAMENTAL CONSTANTS AND VALUES Quantity Symbol Value Units speed of light in vacuo ? ×3.00 108 ms–1 permeability of free space ä 0 π4 ×10–7 Hm–1 permittivity of free space Ý0 8.85×10–12 Fm–1
maximum theoretical efficiency =. input power = calorific value × fuel flow rate. indicated power = ( × ( − ) = output or brake power. friction power =. heat pumps and refrigerators –. refrigerator: =. hp =.
Beryllium sulfate normally encountered as the tetrahydrate, [Be(H 2 O) 4]SO 4 is a white crystalline solid. It was first isolated in 1815 by Jons Jakob Berzelius. [4] Beryllium sulfate may be prepared by treating an aqueous solution of many beryllium salts with sulfuric acid, followed by evaporation
Beryllium sulfate (BeSO 4) is a white crystalline solid. It was first isolated in 1815 by Jöns Jakob Berzelius. Beryllium sulfate may be prepared by treating an aqueous solution of any beryllium salt with sulfuric acid, followed by evaporation of the solution and crystallization.
main April22,2003 15:22 Contents Preface pagevii Howtousethisbook1 1 Units, constants, and conversions 3 1.1 Introduction,3•1.2 SIunits,4•1.3 Physicalconstants,6 •1.4 Convertingbetweenunits,10•1.5 Dimensions,16 •1.6 Miscellaneous,18 2 Mathematics 19 2.1 Notation,19•2.2 Vectorsandmatrices,20•2.3 Series,summations, andprogressions,27•2.4 Complexvariables,30•2.5 Trigonometricand
