Two points are given in polar coordinates by (r, u) 5 (2.00 m, 50.0°) and (r, u) 5 (5.00 m, 250.0°), respectively. What is the distance between them?

Respuesta :

Answer:

The distance between given points is 6.91 units.

Step-by-step explanation:

We are given the following in the question:

[tex]P_1(r,u) = (2.00~m, 50.0^\circ)\\P_2(r,u) = (5.00~m, 250.0^\circ)[/tex]

We convert them into Cartesian coordinate:

[tex]P_1(r,u) = (2.00~m, 50.0^\circ)\\x_1 = 2.00\cos(50^\circ) =1.29\\y_1 = 2.00\sin(50^\circ) = 1.53 \\P_2(r,u) = (5.00~m, 250.0^\circ)\\x_2 = 5.00\cos(250^\circ) =-1.71\\y_1 = 5.00\sin(250^\circ) = -4.7[/tex]

Distance formula between two points:

[tex]\sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}[/tex]

Putting the values, we get

[tex]d = \sqrt{(-1.71-1.29)^2+(-4.7-1.53)^2} = 6.91[/tex]

The distance between given points is 6.91 units.