Answer:
Squirrel’s average speed = 277.78 m/s
Explanation:
Power of squirrel = 100 W
Mass of squirrel = 0.5 kg
Height climbed = 75 m
Potential energy = mgh = 0.5 x 9.81 x 75 = 367.875 J
We have
[tex]\texttt{Power}=\frac{\texttt{Work}}{\texttt{Time}}[/tex]
Substituting
[tex]100=\frac{367.875}{\texttt{Time}}\\\\\texttt{Time}=0.27s[/tex]
So squirrel need to cover 75 m in 0.27 s
Speed required
[tex]v=\frac{75}{0.27}=277.78m/s[/tex]
Squirrel’s average speed = 277.78 m/s
Speed is defined as the ratio of the distance and time .The squirrel’s average speed will be 20.43 m/sec.
Power is defined as the rate of work done.Its unit is watt or joule per second.It is the ratio of work to the time.
The give data in the problem is;
P is the power of squirrel = 100 W
m is the mass of squirrel = 0.5 kg
h is the height climbed = 75 m
u is the potential energy = mgh = 0.5 x 9.81 x 75 = 367.875 J
Power is defined as the rate of work done.
[tex]\rm p = \frac{W}{t} \\\\ \rm t= \frac{W}{P}[/tex]
[tex]\rm t=\frac{368.75}{100} \\\\ \rm t=3.67875 \ sec[/tex]
Speed is given as the distance and time;
[tex]\rm v = \frac{x}{v} \\\\ \rm v = \frac{75}{3.67} \\\\ \rm v = 20.43 m/sec[/tex]
Hence the squirrel’s average speed will be 20.43 m/sec.
To learn more about the power refer to the link;
https://brainly.com/question/2337715
