Physics Mock Flashcards

Descrição

P1
Beth Stone
FlashCards por Beth Stone, atualizado more than 1 year ago
Beth Stone
Criado por Beth Stone quase 11 anos atrás
11
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Resumo de Recurso

Questão Responda
True or false All objects emit Infrared Radiation P1 - 1.1 True
What does Emit mean? P1 - 1.1 Emit means 'Give out'
What does absorb mean? P1 - 1.1 Absorb means 'Take in'
What is the equation for Efficiency? P1 - 1.2 Efficiency = Useful energy out ---------------------- Total energy in Or Efficiency = Useful power out ---------------------- Total power in
What is the equation for payback time? P1 - 1.2 Payback time = Cost of new appliance --------------------------- Cost of energy saved each year