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الفيزياء العامة الجزء الثاني#موقع الفيزياء.كوم

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Appendices

SI Supplementary Units

Quantity Name Symbol Expression in terms of SI base units

Plane Angle radian rad m m -1 = 1

Solid Angle steradian sr m 2 m -2 = 1

SI Derived Units Formed Using Supplementary Units

Quantity Name Symbol

Angular Velocity radian per second rad/s

Angular Acceleration radian per second squared rad/s 2

Radiant Intensity watt per steradian W/sr

Radiance watt per square metre steradian W/(m 2 sr)

250

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