A 5.00 kg particle has the xy coordinates (1.20 m, 2.00 m), and a 6.00 kg particle has the xy coordi- nates (0.300 m, 0.750 m). Both lie on a horizontal plane. At what (a) x and (b) y coordinates must you place a 4.00 kg particle such that the center of mass of the three-particle system has the coordinates (0.500 m, 0.900 m)?

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Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 66P: Two particles of masses m1 and m2 , move uniformly in different circles of radii R1 and R2 R2 about...
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PART 1: A 5.00 kg particle has the xy coordinates (1.20 m, 2.00 m), and a 6.00 kg particle has the xy coordi-
nates (0.300 m, 0.750 m). Both lie on a horizontal plane. At what (a) x and (b) y coordinates must you place
a 4.00 kg particle such that the center of mass of the three-particle system has the coordinates (0.500 m, 0.900 m)?

PART 2: A rope is used to pull a 3.5 kg block at constant speed 6 m along a horizontal oor. The force on
the block from the rope is 7 N and directed  = 20 above the horizontal. What are (a) the work done by the
rope's force, (b) the increase in thermal energy of the block- oor system. 
PART 3: Draw a labelled gure to explain the idea of turning point in terms of energy. 

PART 1: A 5.00 kg particle has the xy coordinates (1.20 m, 2.00 m), and a 6.00 kg particle has the xy coordi-
nates (0.300 m, 0.750 m). Both lie on a horizontal plane. At what (a) x and (b) y coordinates must you place
a 4.00 kg particle such that the center of mass of the three-particle system has the coordinates (0.500 m, 0.900 m)?
1
PART 2: A rope is used to pull a 3.5 kg block at constant speed 6 m along a horizontal floor. The force on
the block from the rope is 7 N and directed 0 = 20° above the horizontal. What are (a) the work done by the
rope's force, (b) the increase in thermal energy of the block-floor system.
PART 3: Draw a labelled figure to explain the idea of turning point in terms of energy.
Transcribed Image Text:PART 1: A 5.00 kg particle has the xy coordinates (1.20 m, 2.00 m), and a 6.00 kg particle has the xy coordi- nates (0.300 m, 0.750 m). Both lie on a horizontal plane. At what (a) x and (b) y coordinates must you place a 4.00 kg particle such that the center of mass of the three-particle system has the coordinates (0.500 m, 0.900 m)? 1 PART 2: A rope is used to pull a 3.5 kg block at constant speed 6 m along a horizontal floor. The force on the block from the rope is 7 N and directed 0 = 20° above the horizontal. What are (a) the work done by the rope's force, (b) the increase in thermal energy of the block-floor system. PART 3: Draw a labelled figure to explain the idea of turning point in terms of energy.
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