a karate player suddenly reduces the speed of his hand while striking a tile
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Answer:
The karate player strikes the slab of ice as fast as possible with his or her hand. In doing so, the entire momentum of the hand is reduced to zero in a very short time. As a result, the force delivered on the pile of tiles or a slab of ice is large enough to break it.
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The given statement is true.
Explanation:
- A karate player suddenly reduces the speed of his hand while striking a tile. This is true
- The momentum is given by the product of mass and velocity. By doing this, a karate player increases the rate of change of momentum.
- After some time the net momentum of the hand comes to zero in very small interval of time.
- As a result, the resultant force that is delivered to the tiles will be large such that it can break it in a single blow.
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Momentum
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