138k views
3 votes
If an electric hair dryer uses 2,400 j of energy in 2s, what is its power?

User Sayth
by
5.6k points

2 Answers

6 votes
4800 j ya que lo valoras por segundos no por minutos y lo vas a sumar una vez con la misma cantidad que te dio

User Ghosty
by
5.7k points
1 vote
4,800 you have to multiply 2,400 x 2
User Usama Saeed US
by
5.3k points