[問題]請問各位高手 這幾道題目
1. Derive the expression for the kinetic energy
Ekin = (1/2) m v2
How is the corresponding expression for rotation?
2. For a system of particles with mass m1,m2,…mi derive the "center of
mass" position : xs = (1/M) Σmixi
and the total momentum of these particles moving with velocities v1,v2…vi
3. Derive the frequency expression for a dampened oscillator. How is the
dependence of amplitude on frequency for resonance? What are beat frequencies?
我查書查了好久 可是不知道該怎麼下筆作答 可以請大家幫忙嗎
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