WorksheetsS4 Physics - usatv
Total questions: 10
Worksheet time: 30mins
1. A train car accelerates uniformly from rest at 1 m s–2 along a straight line. Find the velocity of the train after 60 s.
一輛火車沿直線從靜止勻速加速至 1 m s–2。求 60 秒後火車的速度。
30 m s–1
40 m s–1
50 m s–1
60 m s–1
2. A train car accelerates uniformly from rest at 1 m s–2 along a straight line. Find the distance travelled by the train in the first 60 s.
一輛火車沿直線從靜止勻速加速至 1 m s–2。求 60 秒內火車行駛的距離。
1350 m
1800 m
2250 m
2700 m
3. Bugatti Veyron is one of the fastest accelerating sports cars in the world. It can accelerate from rest to 100 km h–1 in 2.46 s. Find its average acceleration (in m s–2) according to the above data.
布加迪威龍是世界上加速最快的跑車之一。它可以在 2.46 秒內從靜止加速到 100 km h–1。根據上述數據找出其平均加速度(以 m s–2為單位)。
9.3 m s–2
10.3 m s–2
11.3 m s–2
12.3 m s–2
4. Bugatti Veyron is one of the fastest accelerating sports cars in the world. It can accelerate from rest to 100 km h–1 in 2.46 s. Find its velocity travelled after 1 s at this average acceleration.
布加迪威龍是世界上加速最快的跑車之一。它可以在 2.46 秒內從靜止加速到 100 km h–1。找出在1秒後行駛的速度。
9.3 m s–1
10.3 m s–1
11.3 m s–1
12.3 m s–1
5. Bugatti Veyron is one of the fastest accelerating sports cars in the world. It can accelerate from rest to 100 km h–1 in 2.46 s. Find its distance travelled after 1 s at the average acceleration.
布加迪威龍是世界上加速最快的跑車之一。它可以在 2.46 秒內從靜止加速到 100 km h–1。找出它在1秒後的行駛距離。
5.65 m
6.65 m
7.65 m
8.65 m
6. Galileo dropped a ball from a height of 56 m. Find the time needed for the balls to reach the ground. 伽利略從 56 m 的高度投下一個球。找出球到達地面時所需的時間。
2.38 s
2.88 s
3.38 s
3.88 s
7. The Chinese white dolphins sometimes jump out of water. If a dolphin jumps vertically to 2 m above the water surface, find its speed when it just leaves the water surface.
中華白海豚有時會跳出水面。如果海豚垂直跳躍到水面以上 2 m,求它剛離開水面時的速度。
6.26 m s–1
7.26 m s–1
8.26 m s–1
9.26 m s–1
8. In bungee jumping, a person experiences 5.6 s of free fall after leaving the platform. How far does she fall during the 5.6 s of free fall?
在bungee jump中,一個人在離開平台後經歷了 5.6 秒的自由落體。找出他在 5.6 秒後與開始時的總距離?
149 cm
154 cm
159 cm
164 cm
14. In bungee jumping, a person experiences 5.6 s of free fall after leaving the platform. Find her velocity after 5.6 s.
在bungee jump中,一個人在離開平台後經歷了 5.6 秒的自由落體。找出他在5.6秒後的速度。
51.9 m s–1
52.9 m s–1
53.9 m s–1
54.9 m s–1
10. James throws a coin vertically upwards. The coin rises up and falls back to his hand in 1 s. Find the velocity of the coin when it leaves James' hand. 小明把一枚硬幣垂直向上拋,硬幣在1秒後回落到他的手上。找出硬幣在剛離開小明手上時的速度。
2.91 m s–1
3.91 m s–1
4.91 m s–1
5.91 m s–1
