2024-heraklion-scientific-p.../notebooks/exercises/particle_update_position.ipynb

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"# Exercise: Add the function `update_position` to the `Particle` class\n",
"\n",
"- Make the function `update_position` into a method of the class `Particle`\n",
"- Where do the position `position` of the particle belong? Modify the class constructor if necessary\n",
"- Once it is done, create a particle with mass 2.1 with velocity 0.8 at position 8.2 . Update the position with dt=0.1 and print out the new location."
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"def update_position(velocity, position, dt):\n",
" return position + velocity * dt"
]
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"1.6800000000000002\n"
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"class Particle:\n",
" def __init__(self, mass, velocity, position):\n",
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" self.mass = mass\n",
" self.velocity = velocity\n",
" self.position = position\n",
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"\n",
" def momentum(self):\n",
" return self.mass * self.velocity\n",
"\n",
" def update_position(self, dt):\n",
" self.position = self.position + self.velocity * dt\n",
" return self.position\n",
"\n",
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"particle = Particle(mass=2.1, velocity=0.8)\n",
"print(particle.momentum())"
]
},
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"metadata": {},
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"name": "stdout",
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"text": [
"8.28\n"
]
}
],
"source": [
"position = 8.2\n",
"particle = Particle(2.1, 0.8, position)\n",
"new_position = particle.update_position(dt=0.1)\n",
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"print(new_position)"
]
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