Respected tutors! I asked a question some time ago.My goal of asking question ,even after myself being a tutor, is to get clear with not so intuitive concepts, which i find intriguing. Q.What is the change in kinetic energy(ies) of body(ies) after collision of 2 moving bodies; you can take inelastic or elastic collision. 1- Remains same 2-Decreases 3-increases 4-any other possibilty All answers with 'decrease' options are correct, either elastic or inelastic collision. you can take any example and check. Q.Just think can KE be zero after collision? - this time its a bit more intuitive. Thanks.

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Ravi Kumar

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it should remains same.. but if friction is taken into consideration then decreases would be the right option.
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Tutor

if any iron piece collide to magnet then the ke may be zero. or if a stone collide with a heap of mud or soil then also ke may be zero
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Tutor

The game of darts is an example for the stated scenario. The dart gets stuck on the board and thus the final K.E becomes 0 after collision.
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Teacher is my Guru

in case of inelastic, KE can be zero but for elastic the rate of decrease of KE shall be constant.
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Math Educator for Std.11th ,12th , Engineering Entrance and Degree Level with 11+ Years Experience

KE cant be zero after collision at any case.
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Physics and Maths made easy

(1) Energy is a conserved quantity. In the case of an elastic collision, energy exchange takes place only between the two bodies (as mentioned) colliding. Therefore the total kinetic energy of the two bodies remain same both before and after an elastic collision. (2) In the case of inelastic collision...
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(1) Energy is a conserved quantity. In the case of an elastic collision, energy exchange takes place only between the two bodies (as mentioned) colliding. Therefore the total kinetic energy of the two bodies remain same both before and after an elastic collision. (2) In the case of inelastic collision also, there is no violation of conservation of energy. However, apart from the energy exchange taking place between the bodies colliding, there is exchange of heat between other objects or some energy is dissipated as heat and sound produced. (3) It is not clear from your questions as to whether you are referring to the total kinetic energy of the two particles or to the kinetic energy of a single body involved in the process. So, forward the question after re framing it. read less
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Biology/Chemistry/Physics For 12th,11th,10th,9th

it will decresae n KE can be zero if.. mass of bodies is same , velocity phase diff of 180 degress
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Teaching is my passion!!!!

yes....ke. can be zero if there is difformation in tha body......
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Advanced Physics and Mathematics

yes it can be zero after collision
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Elastic is the case means the kinetic energy remains same.but most of the collisions that we observe in our daily life is inelastic one where a part of energy will defenitely be converted into some other form of energy like heat,light etc..(figure an accident).if it is the case of a perfectly inelastic...
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Elastic is the case means the kinetic energy remains same.but most of the collisions that we observe in our daily life is inelastic one where a part of energy will defenitely be converted into some other form of energy like heat,light etc..(figure an accident).if it is the case of a perfectly inelastic collision then the bodies stick together and move. hope it helped you read less
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