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A 2.5 kg object is moving to the right with a speed of 1.1 m/s when it experiences the force shown in the figure (a). What is the object's speed after the force ends?

(a) 2 t (s) 0 -2

A 2.5 kg object is moving to the right with a speed of 1.1 m/s when it experiences the force shown in the figure (b). What is the object's speed after the force ends?

(b) F (N) 2 t (s) 0 -2

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Answer #1

(9) impulse = Area under fret carre - SP (2N) ( 12 ) = (2.5kg) (U-111 M18) [v= 1.5 mis ] © -2x - (25) (U-11) & v=0.7m18

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