Answer to Question #26500 in Mechanics | Relativity for shuumbwa joseph

Question #26500
1.Below is the description of gthe position in metres of the puck as it moves in the x plane where time is in seconds , X=t^3+2t^2+t (a)How long did the puck move after 2 seconds? (b)What is the velocity of the puck at 2 seconds? (c)What is the acceleration of the puck at 2 seconds? 2.An object moves in a uniform circural motion with centripetal acceleration of 25 m/s^2 ,if the diameter of the circle is 70m, (a)Find the velocity at which the object is moving. (b)Find the revolution period of the motion.
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