Physics, 08.11.2019 02:31 kikipie8504
In a certain city, electricity costs $0.20 per kw·h. what is the annual cost for electricity to power a lamp-post for 8.00 hours per day with (a) a 100.-watt incandescent light bulb (b) an energy efficient 25-watt fluorescent bulb that produces the same amount of light? assume 1 year = 365 days.
Answers: 3
Another question on Physics
Physics, 22.06.2019 05:40
Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen
Answers: 1
Physics, 22.06.2019 06:00
Explain earth's motion, using the terms "precession" and "rotation" in your answer.
Answers: 1
Physics, 22.06.2019 11:00
Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?
Answers: 1
Physics, 22.06.2019 16:20
What is the single most important equation in all of physics?
Answers: 1
You know the right answer?
In a certain city, electricity costs $0.20 per kw·h. what is the annual cost for electricity to powe...
Questions
Mathematics, 14.05.2021 18:00
Mathematics, 14.05.2021 18:00
Mathematics, 14.05.2021 18:00
Biology, 14.05.2021 18:00
Geography, 14.05.2021 18:00
Physics, 14.05.2021 18:00
Arts, 14.05.2021 18:00
Social Studies, 14.05.2021 18:00
Health, 14.05.2021 18:00
Mathematics, 14.05.2021 18:00
Mathematics, 14.05.2021 18:00
Mathematics, 14.05.2021 18:00
