Respuesta :
Answer:
[tex] P = F v[/tex]
Where: P represent the power in Watts, F the force in Newtons and v the velocity in m/s
[tex] 50 hp *\frac{746 W}{1 hp}= 37300 W[/tex]
[tex] 110 \frac{mi}{h} *\frac{1h}{3600 s} *\frac{1609.34 m}{1mi}= 49.17 \frac{m}{s}[/tex]
And then we can find the force with the following formula:
[tex] F = \frac{P}{v}[/tex]
And replacing we got:
[tex] F = \frac{37300 W}{49.17 m/s}= 758.527 N[/tex]
And then the final answer for this case would be 758.52 N acting as the fricitional force.
Explanation:
For this case we can use the definition that the power can b expressed in terms of the force and the velocity like this:
[tex] P = F v[/tex]
Where: P represent the power in Watts, F the force in Newtons and v the velocity in m/s
We can convert the power into Wtass like this:
[tex] 50 hp *\frac{746 W}{1 hp}= 37300 W[/tex]
[tex] 110 \frac{mi}{h} *\frac{1h}{3600 s} *\frac{1609.34 m}{1mi}= 49.17 \frac{m}{s}[/tex]
And then we can find the force with the following formula:
[tex] F = \frac{P}{v}[/tex]
And replacing we got:
[tex] F = \frac{37300 W}{49.17 m/s}= 758.527 N[/tex]
And then the final answer for this case would be 758.52 N acting as the fricitional force.
