239,653 views
45 votes
45 votes
Calculate the energy used by a radio of power 30W in 1 minute.

User Alex Da Silva
by
2.5k points

2 Answers

13 votes
13 votes

Answer:

1800 joule

Step-by-step explanation:

Power (P) = 30W

Time (T) = 1 min =60 sec

P =(W/T)

30 = W / 60

W = 1800 joule

We know that Energy Is equivalent to Work done. So Energy used is 1800 joule.

User Rahul Chaudhari
by
3.0k points
28 votes
28 votes

Answer:

1800 j or 1.8 kj

Step-by-step explanation:

Energy used = power (measured in watts) multiplied by time (measured by seconds)

1 minute is 60 seconds

30 multiplied by 60 is 1800

User Toan Nguyen
by
2.8k points