1 A 1200-kg car is moving south at 38.5 m/s. It enters a curve and is subsequently moving west at 30 m/s. The variation

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1 A 1200 Kg Car Is Moving South At 38 5 M S It Enters A Curve And Is Subsequently Moving West At 30 M S The Variation 1 (22.3 KiB) Viewed 37 times

1 A 1200-kg car is moving south at 38.5 m/s. It enters a curve and is subsequently moving west at 30 m/s. The variation of the magnitude of linear momentum is: a. The variation is: 8.50 KN.s b. The variation is 58.57 KN.S c. The variation is 128.50 KN.S d. The variation is: 10.20 KN.s 2 A system is made up of four objects. The masses and the positions of their centers of mass in a coordinate system are: Particle 1 of mass 2 kg is placed at r1-(31-2m; particle 2 of mass 3 kg is placed at r2=(-11+2j)m; particle 3 of mass 2 kg is placed at r3=(3))m and particle 4 of mass 4 kg is placed at r4=(3.7ijm. What is the x component of the center of mass? I