Practice Question
Plants Aphids Spiders Sparrows
In this food chain, the spiders are-A. ProducersB. Primary consumersC. CompetitorsD. Secondary consumers
D
Conservation of Energy
October 19, 2010
Regular Energy Formulas
• GPE= mgh• KE = ½ mv2
• Uspring= ½ kx2
– The potential energy of a spring
Ei = Ef
KEi + PEi = KEf + PEf
½ mvi2 + mgh = ½ mvf
2 + mgh
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