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a) A v e r a g e v e l o c i t y = \frac{C h a n g e i n p o s i t i o n f r o m t = 3 s t o t = 6 s}{C o r r e s p o n d i n g c h a n g e i n t i m e} A v e r a g e v e l o c i t y = \frac{30 - 10}{6 - 3} = \frac{20}{3} = 6.66 m / s b) I n s \tan t e n e o u s v e l o c i t y = S l o p e o f s - t g r a p h a t t h a t t i m e i n s \tan t H e r e i n g i v e n s i t a u t i o n s l o p e a t t = 2.43 s i s s a m e a s s l o p e o f l i n e f r o m 0 t o 3 I n s \tan t e n e o u s v e l o c i t y = \frac{10 - 0}{3 - 0} = 3.33 m / s c) N e t d i s p l a c e m e n t = f i n a l p o s i t i o n - i n i t i a l p o s i t o n = 30 - 0 = 30 m

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