2013CAP Prize Exam加拿大高中物理大獎賽真題免費下載

歷年CAP High School Prize Exam加拿大高中物理大獎賽

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2013 CAP Prize Exam真題免費下載

共計3小時考試時間

此套試卷由25道選擇題以及3道大題組成

每道大題含有不同數量的小題

完整版下載鏈接見文末

部分真題預覽：

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

Normal atmospheric pressure P0 =1.01 × 10⁵Pa

Density of fresh water ρ =1.00 × 10³kg/m³

Speci?c heat of water Cw = 4186 J/(kg · K)

Speci?c heat of ice Ci = 2050 J/(kg · K)

Latent heat of water Lw = 2260 kJ/kg

Latent heat of ice Li = 334 kJ/kg

Density of ice ρi = 916 kg/m³

Fundamental charge e =1.60 × 10^?19C

Mass of electron me =9.11 × 10^?31kg

Mass of proton mp =1.67 × 10^?27kg

Planck’s constant h =6.63 × 10^?34Js

Coulomb’s constant 1/(4_πε0)=8.99 × 10⁹ N · m² /C²

Boltzmann’s constant k=1.38 × 10^?23J/K

A.U. Astronomical Unit = 1.49598 ×10¹¹m: The approx-imate distance from the Sun to the Earth.

Radius of the Earth RE =6.371 × 10⁶m

Radius of the Sun RS =6.96 × 10⁸m

Part A: Multiple Choice

1)A small block of mass m1 is released from rest at the top of a curve-shaped, frictionless wedge of mass m₂ which sits on a frictionless horizontal surface as shown. When the block leaves the wedge its velocity is mea-sured to be 4.00 m/s to the right as shown in the fig-ure. If the mass of the block is doubled to become 2m₁ , what can be said about the speed with which it leaves the wedge?

1. Its speed is less than 4.00 m/s
2. Its speed is equal to 4.00 m/s
3. Its speed is greater than 4.00 m/s
4. Not enough information is given.

2)Consider the electric charges A, B, C shown in the ?gure below, where q is a positive number. Which an-swer correctly describes the magnitude of the net force experienced by the charges?

1. FA >FB >FC
2. FA >FC >FB
3. FB >FA >FC
4. FA = FB = FC
5. FA >FB = FC

3)A long, straight wire carries a current that decreases linearly with time. What is the direction of the induced electric field outside the wire?

1. Parallel to the current in the wire, in the same direction.
2. Parallel to the current in the wire, in the opposite direction.
3. Pointing radially outward from the wire.
4. Pointing radially inward toward the wire.
5. There is no induced electric field outside the wire.

4)A car driven at a constant speed turns left. Which force makes the car turn?

1. The force of friction, directed towards the left.
2. The force of friction, directed towards the right.
3. The force with which the driver is turning the steer-ing wheel, directed towards the left.
4. The force with which the driver is turning the steer-ing wheel, directed towards the right.

5)A cyclist stops pedaling at a velocity v =36km/h and notices that her bike keeps moving for d = 500 m be-fore it stops. The total mass of the bike, the biker and her camping equipment is m = 100 kg. What is the average combined force on the bicycle due to friction and drag?

1. ?10 N
2. 20 N
3. 130 N
4. 260 N

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