Mathematics, 16.03.2020 18:20 bodisontbernard

The wattage rating of an appliance is given as W, in watts, and varies jointly as the resistance, R, in ohms, and as the square of the current, I, in amperes. If the wattage is 90 watts when the resistance is 250 ohms and the current is 0.6 amperes, find the wattage when the resistance is 300 ohms and the current is 0.2 amperes.
A. 18,000 watts
B. 120 watts
C. 12 watts
D. 60 watts

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 19:10, AshyCakes

Can some one me with these questions

Answers: 2

continue

Mathematics, 21.06.2019 23:00, neariah24

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.

Answers: 1

continue

Mathematics, 21.06.2019 23:10, nekathadon

Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?

Answers: 3

continue

Mathematics, 21.06.2019 23:30, kelyanthecrafte

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)

Answers: 1

continue

You know the right answer?

The wattage rating of an appliance is given as W, in watts, and varies jointly as the resistance, R,...