# physics

A 200 – W computer power supply is on 10 hours per day. If the cost of electricity is \$0.15/kWh, what is the cost (to the nearest dollar) to run the computer every day for a year (365 days)?

1. 👍 0
2. 👎 0
3. 👁 214
1. .2 kw * 10 = 2 kw hr per day
times 365 = 730 kw hr per year
times .15 dollar/kw hr = \$109.50 per year
= \$110 rounded to nearest dollar

1. 👍 0
2. 👎 0
posted by Damon

## Similar Questions

1. ### Physics

I only need help with part B. A 250W computer power supply is on 10 h per day. Part A If the cost of electricity is \$0.15/kWh, what is the energy cost (to the nearest dollar) if this computer is used like this for a year (365

asked by jen on February 19, 2014
2. ### College Physics

What is the smallest capacitor needed in a computer power supply in order to supply at least 0.2 A of current for 0.35 s after the power goes off? (DATA: Assume that the resistance of all the components of the computer mother

asked by Van on September 16, 2014
3. ### science check plzzzzzzzzzz

if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is \$0.09 for every kWh*h of energy. i solved it like this way

asked by kim on February 17, 2011
4. ### science check plzzzzzzzzzz

if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is \$0.09 for every kWh*h of energy. i solved it like this way

asked by kim on February 17, 2011
5. ### science check plzzzzzzzzzz

if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is \$0.09 for every kWh*h of energy. i solved it like this way

asked by kim on February 16, 2011
1. ### Science

1. An electric space heater draws 15.0 A from a 120 V source. It is operated, on average, for 5.0h (hours) each day. a) How much power does the heater use and b) At \$.10 per kWh, what does it cost to operate the heater for 30

asked by Carly on May 15, 2012
2. ### Computer

How much was the first computer? Cost of the first computer? You have to be more specific. The first digital computer? The first electric analog computer? The first "personal" computer (PET)? The first mechanical analog computer?

asked by fgsaf on June 16, 2005
3. ### Physics

A circuit consists of a resistor of R=7 Ω, a capacitor of C=7 μF, and an ideal self-inductor of L=0.04 H. All three are in series with a power supply that generates an EMF of 5sin(ωt) Volt. The internal resistance of both the

asked by Annoyingmous on May 22, 2013
4. ### English

How many hours a day do you play computer games? 1. I play computer games for 1-2 hours. 2. I play computer games 1-2 hours. 3. I play computer games for from 1 to 2 hours. 4. I play computer games from 1 to 2 hours. 5. I play

asked by rfvv on May 23, 2017
5. ### Calculus 1

a power station needs to supply power lines to a location 10 miles downstream and on the other side of a river that is 0.75 miles wide. Power lines cost \$7 per foot on land and \$10 per foot under water. What is the most economical

asked by chelz on November 3, 2015

More Similar Questions