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LAJU DAN PECUTAN

Authored by POON Moe

Mathematics

8th Grade

Used 35+ times

LAJU DAN PECUTAN
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Diagram shows the distance-time graphs of four cars P, Q, R and S. Which of the car moves with non-uniform speed?

Rajah menunjukkan graf jarak-masa bagi empat buah kereta P, Q, R dan S.

Kereta manakah yang bergerak denga laju tak seragam?

Car P / Kereta P

Car Q / Kereta Q

Car R / Kereta R

Car S / Kereta S

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The speed of a car decreases from 110 ms-1 to 60 ms-1 in 20 seconds. What is the acceleration, in m s-2, of the car?

Laju sebuah kereta berkurang dari 110 ms-1 kepada 60 ms-1 dalam masa 20 saat. Berapakah pecutan, dalam m s-2, kereta itu?

3.0

2.5

-2.5

-3.0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Huda drives her car from town P to town Q at a distance of 138 km with the average speed is 69 km/h. Zaki takes 30 minutes less than Huda for the same journey. Calculate the average speed, in km/h, of Zaki's car.

Huda memandu kereta dari bandar P ke bandar Q sejauh 138 km dengan purata laju 69 km/h. Zaki mengambil masa 30 minit kurang daripada Huda bagi perjalanan yang sama. Hitung purata laju, dalam km/j, kereta Zaki.

69

78

85

92

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The distance from town M to town N is 150 km. A lorry leaves from town M at 10.00 a.m to town N with the average speed of 90 km/h. At what time does the lorry arrives at town N?

Jarak dari bandar M ke bandar N ialah 150 km. Sebuah lori bertolak dari bandar M pada pukul 10.00 pagi menuju bandar N dengan purata laju 90 km/j. Pada pukul berapakah lori itu tiba di bandar N?

10.40 a.m

11.30 a.m

11.40 a.m

1.00 p.m

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A van increase its speed from 65 km/h to 80km/h in 15 minutes. Calculate its acceleration in km/h2.

Sebuah van menambahkan kelajuannya dari 65 km/j ke 80 km/j dalam masa 15minit. Hitung pecutannya dalam km/j2.

1

30

45

60

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Four vehicles A, B, C and D, departed simultaneously from station K to four different towns. The table below shows the average speed and the distance travelled by each vehicle. Which vehicle will arrive first at its destination?

Empat buah kenderaan, A, B, C, dan D, bertolak serentak dari stesen K ke empat buah bandar yang berlainan. Jadual di bawah menunjukkan laju purata dan jarak yang dilalui oleh setiap kenderaan. Kenderaan manakah yang pertama akan tiba di destinasinya?

A

B

C

D

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A van accelerates form 5 ms-1 to v ms-1 in 12 seconds. Calculate the value of v if the acceleration is ¾ ms-2.

Sebuah van memecut dari 5 ms-1 ke v ms-1 dalam masa 12 saat. Hitung nilai v jika pecutannya ialah ¾ ms-2.

9

14

16

18

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