楼主: t1016d (jo4) 2015-10-26 20:54:19

单班普物的考古题，不知道他面对不同授课对象题目会不会差很多

但我还是先转了

※ [本文转录自 NTU-Exam 看板 #1IQJ0QrY ]

作者: Standpoint (旋风企鹅) 看板: NTU-Exam

标题: [试题] 100上 王名儒 普通物理学甲上 期中考

时间: Thu Oct 24 22:35:03 2013

课程名称︰普通物理学甲上

课程性质︰必修

课程教师︰王名儒

开课学院：工学院

开课系所︰材料系

考试日期（年月日）︰100.11.16

考试时限（分钟）：120 分钟

是否需发放奖励金：是

（如未明确表示，则不予发放）

试题 :

1. A grasshopper leaps upward, rising 0.4 meter in 0.2 xecond. How much

higher will it go ? Assuming the air effect is negligible and g = 10.0

m/sec^2.

2. A particle moves along the positive x-axis with x = 0 at t = 0. The x-t

plot in SI units shows a half circle with unit size. What is the acceleration

as a function of time for this particle ?

3. Find the work done by the force F(x,y) = xy^2 i+xy j along the line y = x

from point (0,0) to (2,2).

4. Derive the work-kinetic energy theorem W = ΔK by Newton's Law, where W is

the work done by the net force and K = 1/2mv^2 is the kinetic energy.

5. A 100 kg rock slides from rest down a hilliside that is 130 m long and

50 m high. The coefficient of kinetic friction between the rock and the

paved hill surface is 0.25. What is the speed of the rock as it reaches the

bottom of the hill ?

6. Following 5, if the rock has a spherical shape with 0.2 m in radius and is

rolling down, what will be the speed of the rock as it reaches the bottom of

the hill ?

7. Show that if a neutron is scattered through 90度 in an elastic collision

with an initially stationary deuteron in the Lab, frame, the neutron loses 2/3

of its initial kinetic energy to the deuteron. Note that m(deteron) =

m(neutron).

8. A large amount of ice with mass m around the South Pole melted and flew

into the ocean. Assuming that earth is a uniform sphere with radius R and

mass M, what will be the percentage change of the rotational speed of the

earth due to this melting ice effect ? Note that the rotational inertia is

2/3 MR^2 for a spherical shell and 2/5 MR^2 for a solid sphere.

9. Three bricks of length L, identical and uniform, are stacked on top of one

another in such a way that part of each extends beyond the one beneath. What

will be the maximum length of this stack assuming that the stack is kept in

equilibrium ?

10. A very massive star with mass M can collapse after burning its fuel out.

Make a rough estimate about the critical radius that when this star is small

than this size, no particles ( even photons ) can escape.

但我还是先转了

※ [本文转录自 NTU-Exam 看板 #1IQJ0QrY ]

作者: Standpoint (旋风企鹅) 看板: NTU-Exam

标题: [试题] 100上 王名儒 普通物理学甲上 期中考

时间: Thu Oct 24 22:35:03 2013

课程名称︰普通物理学甲上

课程性质︰必修

课程教师︰王名儒

开课学院：工学院

开课系所︰材料系

考试日期（年月日）︰100.11.16

考试时限（分钟）：120 分钟

是否需发放奖励金：是

（如未明确表示，则不予发放）

试题 :

1. A grasshopper leaps upward, rising 0.4 meter in 0.2 xecond. How much

higher will it go ? Assuming the air effect is negligible and g = 10.0

m/sec^2.

2. A particle moves along the positive x-axis with x = 0 at t = 0. The x-t

plot in SI units shows a half circle with unit size. What is the acceleration

as a function of time for this particle ?

3. Find the work done by the force F(x,y) = xy^2 i+xy j along the line y = x

from point (0,0) to (2,2).

4. Derive the work-kinetic energy theorem W = ΔK by Newton's Law, where W is

the work done by the net force and K = 1/2mv^2 is the kinetic energy.

5. A 100 kg rock slides from rest down a hilliside that is 130 m long and

50 m high. The coefficient of kinetic friction between the rock and the

paved hill surface is 0.25. What is the speed of the rock as it reaches the

bottom of the hill ?

6. Following 5, if the rock has a spherical shape with 0.2 m in radius and is

rolling down, what will be the speed of the rock as it reaches the bottom of

the hill ?

7. Show that if a neutron is scattered through 90度 in an elastic collision

with an initially stationary deuteron in the Lab, frame, the neutron loses 2/3

of its initial kinetic energy to the deuteron. Note that m(deteron) =

m(neutron).

8. A large amount of ice with mass m around the South Pole melted and flew

into the ocean. Assuming that earth is a uniform sphere with radius R and

mass M, what will be the percentage change of the rotational speed of the

earth due to this melting ice effect ? Note that the rotational inertia is

2/3 MR^2 for a spherical shell and 2/5 MR^2 for a solid sphere.

9. Three bricks of length L, identical and uniform, are stacked on top of one

another in such a way that part of each extends beyond the one beneath. What

will be the maximum length of this stack assuming that the stack is kept in

equilibrium ?

10. A very massive star with mass M can collapse after burning its fuel out.

Make a rough estimate about the critical radius that when this star is small

than this size, no particles ( even photons ) can escape.

作者: andy920262 (andy920262) 2015-10-30 19:58:00

<(_ _)>

作者: jason1218 (zolution) 2015-11-01 09:50:00

<(_ _)>

作者: s98509s98509 2015-11-10 20:42:00

<(_ _)>

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