Practice Question

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Practice Question

• Plants ?Aphids ?Spiders ?Sparrows
• In this food chain, the spiders are-
• A. Producers
• B. Primary consumers
• C. Competitors
• D. Secondary consumers

D
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Conservation of Energy

• October 19, 2010

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Regular Energy Formulas

• GPE mgh
• KE ½ mv2
• Uspring ½ kx2
• The potential energy of a spring

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Conservation of Energy

• Ei Ef
• KEi PEi KEf PEf
• ½ mvi2 mgh ½ mvf2 mgh

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