CAP 加拿大物理奧林匹克競賽，報名通道及真題開放中！

加拿大物理奧林匹克學術活動(CAP High School Prize Exam)，是加拿大物理國家隊第一輪選拔賽。由加拿大物理學家協會(CAP) 聯合英屬哥倫比亞大學物理和天文系共同舉辦，主要針對高中生，問題難度超過課堂知識范圍，強調邏輯思維和創造性思維。該學術活動報名時間已公布，報名通道及真題開放中！

【比賽時間】

2022年4月10日（周日）上午9:30-12:30

【報名截止時間】

2022年3月30日

【部分真題展示】

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 24：While 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

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