# Answer to Question #31421 in Mechanics | Relativity for kedir kemal

Question #31421

Suppose the motion of the particle is described by the equation: x=a+bt2, where a=20cm and b=4cm.s-2. a) Find the displacement of the particle in the time interval between t1 =2s and t2 =5s. b) Find the average velocity in this time interval. C) Find the instantaneous velocity at time t1 =2s.

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