**(a) **Speed:

v = aΔt

v = (2.0)(10 - 0) = 20 m/s

The particle's speed at*t*= 10.0 s is 20 m/s

A particle starts from rest and accelerates as shown in the figure below.

(a) Determine the particle's speed at*t*= 10.0 s.

(b) Determine the particle's speed at*t*= 20.0 s?

(c) Determine the distance traveled in the first 20.0 s. (Enter your answer to one decimal places.)

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