Advanced Placement (AP), 27.02.2021 07:00 tiny2007
Refrigerator A uses 500 watts per hour when the motor is operating. The motor needs to run an average of 12 hours per day, every day, to stay at a constant, cold temperature. This model of refrigerator lasts an average of 20 years before it needs to be replaced and costs $1,000. Each kWh of electricity costs $0.12.
Answers: 2
Advanced Placement (AP), 23.06.2019 09:30
Which statement describes absolute and apparent brightness? absolute brightness and apparent brightness are identical ways to describe the brightness of a star. absolute brightness and apparent brightness change with the distance from the star to the observer. absolute brightness depends on the distance from the star to the observer, whereas apparent brightness is always the same. absolute brightness is the actual amount of light produced by the star, whereas apparent brightness changes with distance from the observer.
Answers: 1
Advanced Placement (AP), 23.06.2019 18:30
An object accelarates from rest to a velocity of 2.4m/s over a distance of 16m what was its accelaration
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Advanced Placement (AP), 24.06.2019 06:00
What is the bottle's speed, as a percentage of the ball's incoming speed?
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Advanced Placement (AP), 24.06.2019 16:50
Many people have a negative opinion of classical music because they subscribe to common myths about this type of music. true false
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Refrigerator A uses 500 watts per hour when the motor is operating. The motor needs to run an averag...
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