Suppose that a particle's position is described by r(t)=(t+3)i+(t2+2)j. Give an equation (in the form of a formula involving x and y set equal to 0 ) whose solutions consist of the path of the particle. Find the velocity vector for the particle: v(t)

Respuesta :

Answer:

The velocity for the particle is (1i+2tj).

Explanation:

Given that,

The particle position is

[tex]r(t)=(t+3)i+(t^2+2)j[/tex]...(I)

In form of x and y

[tex]x(t)=t+3[/tex]....(II)

[tex]y(t)=t^2+2[/tex]...(III)

From equation (II)

[tex]t=x-3[/tex]

Put the value of t in equation (III)

[tex]y=(x-3)^2+2[/tex]

[tex]y=x^2+9-6x+2[/tex]

[tex]x^2-6x-y+11=0[/tex]

We need to calculate the velocity

Velocity is the rate of change of the position of the particle

[tex]v(t)=\dfrac{dr}{dt}[/tex]

[tex]\vec{v(t)}=1i+2t j[/tex]

Hence, The velocity for the particle is (1i+2tj).

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