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triciaandchad_2009 Group Title

How much energy does a 50-watt light bulb use compared to a 100-watt light bulb if both are shining for the same length of time? Explain your answer.

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  1. ujjwal Group Title
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    Energy consumed = power *time Energy used by 50 watt bulb = 50 *t Energy used by 100 watt bulb = 100 *t where t is the time for which they are shining from above it is clear that the energy used by 100 watt bulb is twice the energy used by 50 watt bulb.

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  2. triciaandchad_2009 Group Title
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    Thank you very much....I was beginning to get a headache trying to figure the answer out.

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