# CAP 加拿大物理奥林匹克竞赛，报名通道及真题开放中！

【比赛时间】

2022年4月10日（周日）上午9:30-12:30

【报名截止时间】

2022年3月30日

【部分真题展示】

Question 14：The magnitude of the gravitational force with which a ping pong ball attracts the Earth is:

a) equal to the magnitude of the gravitational force with which the Earth attracts that ping pong ball.

b) greater than the magnitude of the gravitational force with which the Earth attracts that ping pong ball.

c) less than the magnitude of the gravitational force with which the Earth attracts that ping pong ball.

d) zero.

e) unknowable.

Question 18：Two space heaters are made to output their nominalpower of 1000W and 500W respectively when they are supplied with 120V. If they are connected in series to a normal(120V) wall outlet, compared to only the 1000W heater how much heat will be produced?

a) More

b) Less

c) The same amount

Question 24While on a long plane ride over the equator(where the Earth's radius is 6 378 km), the captain announces that the local gravitational acceleration is 9.75m/s2. At ap-proximately what altitude is the plane flying?

a)5500m

b)11000m

c)16000m

d)1100m

e)22000m