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# A particle has initial velocity $\bar v =3 \hat i+4 \hat j$ and a constant force $F=4 \hat i-3 \hat j$ acts on the particle. The path of the particle is

a)straight line b)parabolic c)circular d)elliptical

For constant acceleration if the angle between initial velocity and acceleration is obtique, the path will be parabolic
can u give me proof for it?