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04.07.2022 - 03:53

Each of the 884 floodlights at Yankee Stadium uses electrical energy at the rate of 1650 W. How much does it cost to run these lights during a 5-h night game, if electricity costs 21 c/kW.h?

Question:

Each of the 884 floodlights at Yankee Stadium uses electrical energy at the rate of 1650 W. How much does it cost to run these lights during a 5-h night game, if electricity costs 21 ¢/kW.h?

Answers (1)

Vernie April 10, 2023 в 14:57

The first step is to calculate the total energy used by the floodlights during the 5-hour night game. We can do this by multiplying the power usage (1650 W) by the total time the lights are on (5 hours): 1650 W x 5 hours = 8250 Wh = 8.25 kWh Next, we need to calculate the cost of this energy usage. We know that electricity costs 21 cents per kWh, so we can multiply the total energy usage by this rate to determine the total cost: 8.25 kWh x 21 cents/kWh = $1.7325 Therefore, it would cost $1.7325 to run the floodlights at Yankee Stadium during a 5-hour night game.

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