Mr. Fin uses a 710 W hairdryer for 14 minutes per day every day to dry

  • Thread starter Thread starter Tj8
  • Start date Start date
  • Tags Tags
    Per
Click For Summary
SUMMARY

Mr. Fin operates a 710 W hairdryer for 14 minutes daily, resulting in a monthly energy cost of approximately $3.09. The calculation involves converting watts to kilowatts and minutes to hours, leading to a total energy consumption of 0.148 kWh per day. With the power company's rate of $0.11 per kWh, the monthly expense is derived from multiplying daily usage by 30 days and the cost per kWh.

PREREQUISITES
  • Understanding of power consumption in watts and kilowatts
  • Basic knowledge of time conversion from minutes to hours
  • Familiarity with calculating energy costs using kWh
  • Ability to perform simple arithmetic operations
NEXT STEPS
  • Learn how to convert watts to kilowatts for energy calculations
  • Research methods for calculating monthly energy costs
  • Explore the impact of appliance usage on electricity bills
  • Investigate energy-efficient alternatives for hairdryers
USEFUL FOR

Homeowners, energy-conscious individuals, and anyone interested in understanding the cost of operating household appliances.

Tj8
Messages
1
Reaction score
0
Mr. Fin uses a 710 W hairdryer for 14 minutes per day every day to dry his thick, long locks. If the power company charges $0.11/kWh, how much does it cost per month (30 days) to operate the hairdryer?


Homework Equations



I=q/t

The Attempt at a Solution

 
Physics news on Phys.org
How many kW is 710 W?
How many hours is 14 min?
 
Tj8 said:

Homework Equations



I=q/t

That is not a relevant equation here...
 

Similar threads

  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 8 ·
Replies
8
Views
20K
  • · Replies 1 ·
Replies
1
Views
3K
  • · Replies 3 ·
Replies
3
Views
3K
  • · Replies 3 ·
Replies
3
Views
5K
  • · Replies 5 ·
Replies
5
Views
3K
  • · Replies 1 ·
Replies
1
Views
10K
  • · Replies 7 ·
Replies
7
Views
31K
  • · Replies 13 ·
Replies
13
Views
4K
  • · Replies 3 ·
Replies
3
Views
4K