A system of four masses is composed into a square with equal sides of length 1.20 m.
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Question:
A system of four masses is composed into a square with equal sides of length 1.20 m. The lower left mass, m1 = 3.3 kg, is placed at the origin. The upper left mass m2 =2.0 kg is placed along the y-axis. The upper right mass, m3 = 5.7 kg and the final mass, along the y-axis is m4 = 1.5 kg.
What is the x coordinate (in m) of the centre of mass?
What is the y coordinate (in m) of the centre of mass?
2)
A particle of mass m1 = 240 g undergoes a head-on, elastic collision with a particle of mass m2moving with the same speed from the opposite direction. After the collision particle m1 comes to rest. Find the mass, m2, of the other particle.
Select one:
a. None of the other answers are correct
b. 0.240 kg
c. 0.120 kg
d. 0.080 kg
e. 0.040 kg
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