Respuesta :
The equation that would allow us to calculate for the force is expressed as,
F = 0.5mv²
If we are to evaluate the use of 5 miles per hour then, the equation would be,
F = 0.5m(5 m/s)² = 12.5m
For the second given speed,
F = 0.5m₁(10 m/s)² = 50m
The fraction between the forces is equal 4.
F = 0.5mv²
If we are to evaluate the use of 5 miles per hour then, the equation would be,
F = 0.5m(5 m/s)² = 12.5m
For the second given speed,
F = 0.5m₁(10 m/s)² = 50m
The fraction between the forces is equal 4.
Answer: The force increases by 4 units when velocity changes from 5 miles per hour to 10 miles per hour.
Explanation: The force is given by the formula:
[tex]F=\frac{1}{2}mv^2[/tex]
Force when v = 5 miles per hour
[tex]F_1=\frac{1}{2}m(5)^2[/tex]
Force when v = 10 miles per hour
[tex]F_2=\frac{1}{2}m(10)^2[/tex]
Taking ratio of [tex]F_2[/tex] and [tex]F_1[/tex]
[tex]\frac{F_2}{F_1}=\frac{\left(\frac{1}{2}m(10)^2\right)}{\left(\frac{1}{2}m(5)^2\right)}[/tex]
[tex]F_2=4F_1[/tex]
Hence, the force is increased by 4 units when velocity changes from 5 miles per hour to 10 miles per hour.