Illustration shows a man writing the physics formula E mc squared on a chalkboard in a classroom setting, focused and engaged mood. premium vector by mfbtasarim

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vector illustration person adult energy male man formula speed concept school communication professional writing presentation learning education indoors science study casual student lesson standing knowledge mass physics theory teaching squared mathematics teacher blackboard classroom intellectual instructor chalkboard academic explaining equation grey shirt education concept dark pants education material knowledge sharing academic subject education tool classroom setting

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