Правка разделов «Statement», «Solution», «Answer»
en/2.5.37.md
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| ### Statement | |||
| − | $2.5.37.$ | ||
| + | $2.5.37.$ A bullet of mass m, having an initial velocity v, penetrates a load of the same | ||
| + | mass m suspended on a thread and gets stuck in the second one of the same | ||
| + | size. Find the amount of heat released in the first load, if the amount of heat | ||
| + | released in the second load is Q2. Ignore the time of interaction of the bullet | ||
| + | with the load. | ||
| ### Solution | |||
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| #### Answer | |||
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| + | Q2 is <0 , so our answer is: | ||
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| + | Q1 = -4Q2 + mv(-4Q2/m)^(1/2) | ||
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| ### Statement | ### Statement | ||
| $2.5.37.$ |
$2.5.37.$ A bullet of mass m, having an initial velocity v, penetrates a load of the same | ||
| mass m suspended on a thread and gets stuck in the second one of the same | |||
| size. Find the amount of heat released in the first load, if the amount of heat | |||
| released in the second load is Q2. Ignore the time of interaction of the bullet | |||
| with the load. | |||
| ### Solution | ### Solution | ||
|  | |||
|  | |||
|  |  | ||
| #### Answer | #### Answer | ||
| Q2 is <0 , so our answer is: | |||
| Q1 = -4Q2 + mv(-4Q2/m)^(1/2) | |||