Question

a dishwasher takes 1500 j total, but it only uses 1125 j to function. what is the efficiency of the dishwasher? ? % hint : efficiency = \frac{usable e}{total e} \cdot 100

Explanation:

Step1: Identify usable and total energy

Usable energy (\(usable\ E\)) = 1125 J, Total energy (\(total\ E\)) = 1500 J.

Step2: Apply efficiency formula

Using the formula \(Efficiency=\frac{usable\ E}{total\ E}\cdot100\), substitute the values:
\(Efficiency = \frac{1125}{1500}\cdot100\)
First, calculate \(\frac{1125}{1500}=0.75\).
Then, \(0.75\cdot100 = 75\).

Answer:

75