作者chuo11 (草之摆)
看板TransPhys
标题[考古] 中山题目看不懂
时间Sun Jul 5 16:36:15 2009
97年
2.
A spring (k=600N/m) is placed in a vertical position with its lower end
supported by a horizontal surface. A 2.0-kg block that is initially 0.4m
above the upper end of the spring is dropped from rest onto the spring.
What is the kinetic energe of the block at the instant it has fallen 0.5
m(compressing the spring 0.1 m)?
7.
A satellite of mass m circles a plant of mass M and radius R in an
orbit at a height 2R above the surface of the planet.What minimun
energy is required to change the orbit to one for which the heigh
of the satellite is 3R above the surface of the planet
96年
2.
For a wheel spining with constant angular acceleration on an
axis through its center,the ratio of the speed of a point
on the rim to the speed of a point halfway between the center
and the rim is:
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1F：→ kuovsphy:97年的好怀念唷~去年考过....计算题第2题 07/05 18:04
2F：→ kuovsphy:好像是用S.H.M.求微分方程吧~我不太会= =有请高手解答XD 07/05 18:05
3F：→ GLP:97地2题出现在94年的中正考题 考中山的中正大学考古题也要看一 07/05 18:23
4F：→ GLP:下 补习班老师说的@@ 07/05 18:23