Question

BASIC LEVEL
1. A particle travels 24.6 km in 30 minutes. Find the
speed of the particle in
(i) km/h,
(ii) m/s.
2. A high-speed train travels at a speed of 200 km/h.
If the train sets off from Station A at 12 24 and
reaches Station B at 14 12, find the distance
between the two stations, giving your answer in
metres.
3. Express each of the following in km/h.
(a) 8.4 km/min (b) 315 m/s
(c) 242 m/min (d) 125 cm/s
4. Express each of the following in m/s.
(a) 65 cm/s
(b) 367 km/h
(c) 1000 cm/min (d) 86 km/min
5. A bullet train travels at a speed of 365 km/h.
In August 2001, Singapore's national record
for the men's 100 m sprint was set at 10.37 seconds.
How many times is a bullet train as fast as
the fastest Singaporean sprinter?
6. A car travels the first 19 km of its journey at
an average speed of 57 km/h and the remaining
55 km at an average speed of 110 km/h. Find the
average speed of the car for its entire journey.
INTERMEDIATE LEVEL
7. Two points, X and Y, are 120 m apart. M is the
midpoint of X and Y. An object travels from X to M
in 12 seconds and then from M to Y at an average
speed of 15 m/s. Find
(i) the time taken for the object to travel from
M to Y
(ii) the average speed of the object for its entire
journey from X to Y​

Answer 1

Answer:

1.

(¡) 49.2 km

(¡¡) 13.666 m/s

2.

See the attached file

3.

See the attached file

4.

See the attached file

5.

Answer 2

Step-by-step explanation:

particle travels 24.6 km in 30 minutes. Find the

speed of the particle in

(i) km/h,

(ii) m/s.