1995CAP 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

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1995 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

Radius of Earth R_E=6.38× 10⁶ m

Mass of Earth M_E=5.98× 10²⁴ Kg

Mass of Sun M_S=1.99× 10³⁰ Kg

Radius of Earth's orbit R_ES=1.50× 10¹¹ m

Acceleration due to gravity g =9.80m/s²

Fundamental charge e =1.60× 10⁻¹⁹ C

Mass of electron m_e =9.11 × 10⁻³¹kg

Mass of proton m_p =1.673 × 10⁻²⁷kg

Mass of Neutron m_n =1.675 × 10⁻²⁷kg

Planck’s constant h = 6.63 x 10^-34 J·s

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

Magnetic constant μ_o=4π × 10⁻⁷N/A²

Speed of sound in air v_s=340m/s

Boltzmann constant k=1.38 × 10⁻²³J/K

Absolute zero T=0 K,T=-273°C

Part A: Multiple Choice

1)A salvage ship tries to raise a sunken miniature submarine from the bottom of Lake Superior. The submarine and its contents have a mass of 72000kg and a volume of 18.9m³.What upward force must be applied to raise the submarine? The density of water is 1000kg/m³.

1. 1.8 × 10⁵ N
2. 2.0 × 10⁵ N
3. 4.8 × 10⁵ N
4. 5.2 × 10⁵ N

2)A little girl is playing with a toy pendulum while riding in an elevator. Being an astute and educated young lass, she notes that the period of the pendulum is T=0.5s. Suddenly the cables supporting the elevator break and all of the brakes and safety features fail simultaneously. The elevator plunges into free fall.The young girl is astonished to discover that the pendulum has

1. continued oscillating with a period of 0.5s
2. stopped oscillating entirely
3. decreased ita rate of oscillation to have a greater period
4. increased its rate of oscillation to have a lesser period

3)Two identical spring loaded, toy guns shoot projectiles straight upwards. The projectile in gun B has twice the mass as that in gun A. The projectile launched by gun A reaches a height H. Ignore air resistance, the projectile launched by gun B would reach a height of

1. H/4
2. H/2
3. H/√2

4)An athlete of mass 75kg runs at 10m/s. What is his kinetic enegry?

1. 3750J
2. 7500J
3. 375J
4. 750J

5)The moon is about 60 earth radii from the centre of the earth and completed one orbit in about 28days. Assuming that the moon excutes a circular orbit about the centre of the earth, the acceleration of the moon(in units of g, the acceleration due to gravity at the earth's surface) is closet to

1. g/30
2. g/60
3. g/3600
4. g

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