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Physics - S4 - Ch 1 - Motion I - Revision

Authored by Pui Fong Leung

Physics

10th Grade

Used 9+ times

Physics - S4 - Ch 1 - Motion I - Revision
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6 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

下圖中,女孩垂直向上拋起一塊石頭。石塊離開她的手時,剛好離地面1 m。石塊上升至離地面15 m後便開始下落,並掉在10 m高的屋頂上。求石塊全程的移動距離及位移。石塊的水平運動可略去不計。

A

B

C

D

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

志偉沿半徑為100 m的圓形跑道步行,走完一圈後,他的位移是多少?

00

100 m100\ m

100 π m100\ \pi\ m

200 π m200\ \pi\ m

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

小船向前行駛200 m,然後向後行駛30 m。取前方為正,小船的總位移是多少?

+170 m+170\ m

+230 m+230\ m

170 m-170\ m

230 m-230\ m

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

梅里特 (Aries Merritt) 以12.80 s的時間打破110 m跨欄的世界紀錄。試計算他賽事中的平均速率。

7.76 m s17.76\ m\ s^{-1}

8.59 m s18.59\ m\ s^{-1}

11.6 m s111.6\ m\ s^{-1}

17.1 m s117.1\ m\ s^{-1}

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

小巴由靜止開始以2 m s–2加速了2 s,然後以0.3 m s–2減速了1 s。小巴的最終速率是多少?

1.7 m s11.7\ m\ s^{-1}

2.3 m s12.3\ m\ s^{-1}

3.7 m s13.7\ m\ s^{-1}

4.3 m s14.3\ m\ s^{-1}

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

青馬大橋全長2160 m。一輛汽車以80 km h–1的固定速率行駛,需時多久才能通過整條青馬大橋?

7.5 s

27 s

34.4 s

97.2 s

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