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A web page designer creates an animation in which a dot on a computer screen has...

A web page designer creates an animation in which a dot on a computer screen has a position of r⃗  =[ 4.4 cm +( 2.2 cm/s2 )t2]i^+( 5.5 cm/s )tj^ .

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

Find the instantaneous velocity at t=0.

Find the instantaneous velocity at t=1.0s.

Find the instantaneous velocity at t=2.0s

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