Starting from rest, the motorboat travels around the circular path, ρ = 50 m, at a speed v=(0.2t^2)m/s, where t is in seconds. (Figure 1) A) Determine the magnitude of the boat's velocity at the instant t = 3 s. Express your answer to three significant figures and include the appropriate units.   B)Determine the magnitude of the boat's acceleration at the instant t = 3 s. Express your answer to three significant figures and include the appropriate units.

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Projectile Motion