alleryIn the formula E = mc², the context tells us that c is which quantity?
AEnergy of a body
BMass of a body
CSpeed of light
DCharge of a body
Answer & Solution
Correct answer: C. Speed of light
1. Symbols get their meaning from context.
2. In the mass-energy formula E is energy and m is mass.
3. The remaining symbol c is the speed of light.
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