![subject](/tpl/images/cats/mat.png)
Mathematics, 15.07.2020 01:01 Dhejxbdbbxbdbbx
A hairdryer transfers 36,000J in one minute, what is the power rating of the hairdryer?
Calculate the work done where 99W is used over 360s
Calculate the efficiency of a kettle which takes 100J and transfers it into 55J
Calculate work done when an object has an applied force of 5N and moves a distance of 4m
An electric fire needs 4 kW. It is switched on for 4 hours. If each kWh costs 2p, how much does it cost to run the fire?
Please help me quick I only have tomorrow left
Thank you
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:40
The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota
Answers: 2
You know the right answer?
A hairdryer transfers 36,000J in one minute, what is the power rating of the hairdryer?
Calculate t...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 25.07.2019 17:40
![question](/tpl/images/cats/ekonomika.png)
Business, 25.07.2019 17:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.07.2019 17:40
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/istoriya.png)
History, 25.07.2019 17:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 25.07.2019 17:40
![question](/tpl/images/cats/istoriya.png)
History, 25.07.2019 17:40
![question](/tpl/images/cats/istoriya.png)
History, 25.07.2019 17:40
![question](/tpl/images/cats/himiya.png)
Chemistry, 25.07.2019 17:40
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 25.07.2019 17:40
![question](/tpl/images/cats/ekonomika.png)
Business, 25.07.2019 17:40