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Physics Assignment - Principle of Momentum Conservation

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Added on  2019-10-01

Physics Assignment - Principle of Momentum Conservation

   Added on 2019-10-01

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Physics Assignment - Principle of Momentum Conservation_1
Answer: 1 Principle of momentum conservation is defined as the force acting between two objects has equal magnitude and opposite in the direction. This principle can associate with the given case. 1.Initial condition, when stone throws into the air. The weight of stone = m1g and velocity ¿V12.Final condition, when stone arrive towards the ground The weight of stone ¿m2g and velocity = V2Comparing the initial condition and final condition of stone. m1V1g=m2v2gm1V1=m2v2here,momentummagnitudeisnotchange,onlydirectionchangebothconditionSo, it is not violate the conservation momentum. Answer: 2 (1)F=μmg¿0.21x35x9.8¿72.03F72N(2)Workdone=ForcexdistanceVelocity=distancextimeWorkdone=ForcexVelocitytime¿72x3062
Physics Assignment - Principle of Momentum Conservation_2
Workdone=360NmAnswer: 3 (a)As provide case of the system, the space has not gravitation force, so momentum value is not equal as earth has. The initial momentum of the system in space = m1v1w=mgm=wg¿1219.8m=12.34so,initialmomentum=12.34x4.22¿52.10kgms(b) intialmomentum=finalmomentumm1v1=m2v2v2=137.5x4.22104.5x9.81v2=0.575ms(c ) v=7660ms3
Physics Assignment - Principle of Momentum Conservation_3

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