Two points masses of 4kg to 2 kg at distance 1 ma air attract each other force f those two masses are now dipped in the kerosene keeping distance same what is the force of Attraction b between the masses in the kerosene?
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11th
Physics
Systems of Particles and Rotational Motion
Motion of Centre of Mass and Problems on it
Two particles of masses 2 ...
PHYSICS
Asked on November 22, 2019 bySavneet Aich
Two particles of masses 2kg and 4kg are approaching towards each other with acceleration 1m/s2and 2m/s2, respectively, on a smooth horizontal surface. Them find the acceleration of centre of mass of the system and direction of acceleration of COM.
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The acceleration of CM of the system is given by
aCM=m2+m2m1a1+m2a2⟹aCM=2+42×1+4(−2)=−1m/s2
Negative sign indicates that acceleration of CM will be in the direction of acceleration of 4kg mass.
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