Question

How many kilowatts are equal to one horsepower, where one horsepower = 750 Js^-1.

Answer 1

Step 1- Given data

Power in horsepower $P=750J{s}^{-1}$

Step 2 - To convert the value in kilowatt-

The relation between Horsepower and watt is-

$1HP=750Watts$

$$\begin{gathered} \Rightarrow 1HP=\frac{750}{1000}kiloWatts \\ \Rightarrow 1HP=0.75kW \end{gathered}$$.

Thus, one horsepower is equal to $0.75kW$.