Potential energy in fuels

  • Thread starter aaronb
  • Start date
  • #1
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Homework Statement


A fully charged 15.0 kg lead-acid battery can deliver power 1450 W for 1.0 hr. (For comparison, the "heat of combustion" of gasoline is about 44 MJ/kg.)

Battery _____ MJ/kg

Homework Equations


Unit conversion problem
1W = 1 J/s

The Attempt at a Solution


(1450 J/s / 15kg) = 96.7/10^6 = 9.6 *10^-5
 

Answers and Replies

  • #2
mgb_phys
Science Advisor
Homework Helper
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Please don't multiple post
 

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