By definition, the power is given by:
\(P = \frac{W}{t}
\)
Where,
W: work done
t: time spent doing work
Therefore, substituting values we have:
\(P = \frac{860}{420}
P = 2.05 watts
\)
Rounding the nearest whole we have:
\(P = 2 watts
\)
Answer:
The power output of the horse is:
\(P = 2 watts\)
