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The position of a particle is given by ...

The position of a particle is given by ` vec r= 3.0 t hat i - 2.0 t^2 hat j + 4.0 hat k m`, wher (t) in seconds and the coefficients have the proper units for ` vec r` to be in metres. (a) Fing the ` vec v` and ` vec a` of the particle ? (b) What is the magnitude and direction fo velocity of the particle at ` t= 2 s`?

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SL ARORA-Motion in a Plane-Excercise
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  2. Read each statement below carefully and state, with reasons, if it is ...

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  3. The position of a particle is given by vec r= 3.0 t hat i - 2.0 t^2 h...

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  4. The position of a particle is given by vec r= 3.0 t hat i - 2.0 t^2 h...

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  5. A particle starts from the origin at t=0 with a velocity of 10.0 hat...

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  6. A particle starts from the origin at t=0 with a velocity of 10.0 hat...

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  7. If hati andhatj are unit vectors along X- and Y-axis respectively, th...

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  8. Find the components of vector vec(a)=3hat(i)+4hat(j) along the directi...

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  9. DISPLACEMENT VECTOR

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  19. The angle between the two vectors A= 5 hat i +5 hat j, and B = 5 hat ...

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  20. When vecA.vecB=-|vecA||vecB|, then :-

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