Question

?

Answer 1

efficiency = output power/input power

you are given input power and efficiency, use these to calculate the output power

then find input - output = wasted energy

make sure to re-write the efficiency as an appropriate decimal/fraction first

Answer 2

15-133.5

Answer 3

OKay so i did efficiency * input power ,, 8.9*15=133.5

Answer 4

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Vocaloid
efficiency = output power/input power

you are given input power and efficiency, use these to calculate the output power

then find input - output = wasted energy

**** make sure to re-write the efficiency as an appropriate decimal/fraction first ****
\(\color{#0cbb34}{\text{End of Quote}}\)

Answer 5

that means that 133.5 is the output power

Answer 6

*** make sure to re-write the efficiency as an appropriate decimal/fraction first ***

Answer 7

Um I'm confused on that part :/:

Answer 8

8.9% is not equal to 8.9, it is equal to...?

Answer 9

OH OKAY

Answer 10

9

Answer 11

% means "per 100"

8.9% means "8.9 per 100" or 8.9/100

Answer 12

oh okay

Answer 13

now repeat the calculations with this new information

Answer 14

it would be 1.335

Answer 15

so 50-1.335

Answer 16

should be 15 not 50

Answer 17

ohhshoot,,,

Answer 18

so D

Answer 19

good