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Masses 1 kg, 1.5 kg, 2 kg, and “M” kg are situated at (2,1,1), (1,2,1), (2,-2,1) and (-1,4,3). What is the value of “M” if their centre of mass is at (1,1,3/2)?a) 1 kgb) 1.5 kgc) 2 kgd) 2.5 kg 5.Particles of masses 1 kg and 3 kg are at (2i+5j+13k) m and (-6i+4j-2k) m. What is the position of their centre of mass? |
A. | 1 kgb) 1.5 kgc) 2 kgd) 2.5 kg 5.Particles of masses 1 kg and 3 kg are at (2i+5j+13k) m and (-6i+4j-2k) m. What is the position of their centre of mass?a) 1/4 (-16i + 17j + 7k) m |
B. | 1.5 kgc) 2 kgd) 2.5 kg 5.Particles of masses 1 kg and 3 kg are at (2i+5j+13k) m and (-6i+4j-2k) m. What is the position of their centre of mass?a) 1/4 (-16i + 17j + 7k) mb) 1/4 (-8i + 17j + 7k) m |
C. | 2 kgd) 2.5 kg 5.Particles of masses 1 kg and 3 kg are at (2i+5j+13k) m and (-6i+4j-2k) m. What is the position of their centre of mass?a) 1/4 (-16i + 17j + 7k) mb) 1/4 (-8i + 17j + 7k) mc) 1/4 (-6i + 17j + 7k) m |
D. | 2.5 kg 5.Particles of masses 1 kg and 3 kg are at (2i+5j+13k) m and (-6i+4j-2k) m. What is the position of their centre of mass?a) 1/4 (-16i + 17j + 7k) mb) 1/4 (-8i + 17j + 7k) mc) 1/4 (-6i + 17j + 7k) md) 1/4 (-6i + 17j + 5k) mView Answer |
Answer» C. 2 kgd) 2.5 kg 5.Particles of masses 1 kg and 3 kg are at (2i+5j+13k) m and (-6i+4j-2k) m. What is the position of their centre of mass?a) 1/4 (-16i + 17j + 7k) mb) 1/4 (-8i + 17j + 7k) mc) 1/4 (-6i + 17j + 7k) m | |