Midterm 1.docx

# Midterm 1.docx - Midterm 1(PHYS-150 Joules/hours = Power...

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Midterm 1 (PHYS-150) Joules/hours = Power Megacalorie = Energy Watt * Minute = Energy Gigajoule / year = Power Megawatt *day = Energy Megawatt = Power Gigajoule = Energy The energy of a system is quantity that can be calculated from measurable properties of the system (The types of particles that make it up, their speeds, and their positions.) Power is the rate that energy is work is done or energy is transformed or transported. (Power = (Work)/(Time) or (Energy Transformed or Transported)/ (Time)) When calculate “which will last the longest?” (Amp*hours)/(amount of Volt) When calculate “which will produce the most power?” (amount of Volt) / (Amp*hours) (True and False) Air molecules oscillate in a direction parallel to the direction of the sound waves. Difference frequencies of sound travel with the same speed. Sound waves transport information, and Sound waves are energy - Waves are a disturbance that carry energy through space.

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