2004CAP Prize Exam加拿大高中物理大奖赛真题免费下载

历年CAP High School Prize Exam加拿大高中物理大奖赛

真题与答案下载

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2004 CAP Prize Exam真题免费下载

共计3小时考试时间

此套试卷由两部分组成

25道选择题

以及3道简答题组成

每道大题含有不同数量的小题

完整版下载链接见文末

部分真题预览：

Data:

Speed of light c =3.00 × 10⁸m/s

Gravitational constant G =6.67 × 10⁻¹¹N · m²kg²

Acceleration due to gravity g =9.80m/s²

Fundamental charge e =1.60× 10⁻¹⁹ C

Mass of electron me =9.11 × 10⁻³¹kg

Mass of proton mp =1.67 × 10⁻²⁷kg

Planck’s constant h = 6.63x10^-34 J·s

Coulomb’s constant 1/(4πε0) = 8.99x10⁹ N·m²/C²

Boltzmann constant k = 1.38x10^-23 J/K

Part A: Multiple Choice

1)You are standing upright in a room in front of a vertical mirror. In this mirror, you can see from your position only the upper two-thirds of your body. You wish to see the entire length of your body reflected in the mirror. Which combination of the following three courses of action will achieve this?

1. Move away from the mirror;
2. move toward the mirror;
3. use a mirror whose height will allow you to see your whole image when you are at your initial position.

1. I only;
2. II only;
3. III only;
4. either I orIII

2)A 5kg cart collides on a horizontal surface with a 20kg cart. Which cart experiences the smaller force because of the collision?

1. The 5kg cart;
2. the forces are equal;
3. the 20kg cart
4. it depends if the collision is elastic

3)Two monkeys with the same mass stand on a branch at height h above the horizontal jungle floor. Monkey A steps off the branch holding the end of an inextensible rope of length L whose other end is tied to another branch at height H, lets go at the bottom of the swing, and falls freely to the floor, as shown below. Monkey B steps off and falls straight downward. Then neglecting air resistance but not the tension in the rope, the total work W done on each monkey and the speed v with which each hits the floor are as follows:

1. WA<WB,va<vb
2. WA=WB,va<vb
3. WA=WB,va=vb
4. WA<WB,va=vb

4)A person, standing on a train that is accelerating forward at 3.3m/s², throws a ball vertically upward. Neglecting air resistance, the magnitude of the ball's acceleration relative to the train is

1. 9.8m/s²
2. 10.3m/s²
3. 7.0m/s²
4. 13.1m/s²

5)I must cross a river in the shortest possible time. Water flows downstream at a constant 5.0m/s between the two parallel shores. Taking the direction of the flow as reference, if my boat has a maximum speed of 10m/s, it should head at

1. 90°
2. 120°
3. 150°
4. 27°

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