A 3kg particle is moving horizontally with a speed of 2 m/s when it strikes a vertical wall. The particle rebounds with a speed of 1 m/s. What is the magnitude of the impulse delivered to the particle? a. 12 N.s b. 4 N.s c. 9 N.s d. 44 N·s

Q: b- b- d a b+ b+

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.