# Problem: A web page designer creates an animation in which a dot on a computer screen has a position of exttip{vec{r}}{r_vec} = [ 4.1 cm + ( 2.6 cm/s2 ) t2] + ( 5.1 cm/s )t .Find the average velocity of the dot between t = 0 and t = 2.0 .Find the instantaneous velocity at t = 0.Find the instantaneous velocity at t = 1.0 .Find the instantaneous velocity at t = 2.0 .

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###### Problem Details

A web page designer creates an animation in which a dot on a computer screen has a position of = [ 4.1 cm + ( 2.6 cm/s2 ) t2] + ( 5.1 cm/s )t .

Find the average velocity of the dot between t = 0 and t = 2.0 .

Find the instantaneous velocity at t = 0.

Find the instantaneous velocity at t = 1.0 .

Find the instantaneous velocity at t = 2.0 .

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Our tutors have indicated that to solve this problem you will need to apply the Instantaneous Acceleration in 2D concept. You can view video lessons to learn Instantaneous Acceleration in 2D. Or if you need more Instantaneous Acceleration in 2D practice, you can also practice Instantaneous Acceleration in 2D practice problems.