Physics, 15.02.2021 09:20 yasmin599

Assuming an external force acts on a system of particles. If at an instant t, the velocity and acceleration of the centre of mass of the system is v and a, then it
is possible that
i) v = 0, and a = 0
ii)v is not = 0, and a = 0
iii) v= 0, and a is not = 0

Answers: 3

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Assuming an external force acts on a system of particles. If at an instant t, the velocity and acce...