International Hope School Bangladesh
2022 – 2023 ACADEMIC YEAR – FIRST TERM – PHYSICS CLASS TEST 2
Name:
Class: Eight
Date:
IHSB No.:
Duration: 40 min
Marks: 30
40
Do the following in standard forms:
(7)
2. Sort out which quantities are scalars and which are vectors below?
(5)
3. Who covers the bigger distance? Show:
(2)
a. A person walks for half an hour with a speed 0.8 m/s or
b. A person runs for 15 minutes with a speed 1.2 m/s.
4. The distance between the moon and earth is 384,400 km . How long it will take a rocket to reach there if its
speed is 4,500 m/s? Show your answers in hours.
(4)
5. The speed of a train increases from 14 m/s to 20 m/s in 6 seconds. What is the acceleration of the train? (2)
6. a. Draw a distance-time graph for the following incidence:
A person runs for 30 minutes and takes rest for next 20 minutes and then again runs slower than before for
(3)
next 30 minutes.
b. If the person covers a total distance 5600 meters, what is the possible speed for first 20
minutes running in m/s? Hint: you can find out from the graph. (2)
7. The following table represents a student riding a bicycle:Distance
0
4
12 24 40 60 84 84 84 84 72 60 48 36 24 12 0
(meters)
Time
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
(seconds)
Draw a distance time graph (with time on the x-axis) to show the motion. (4)
Answer the questions below:
(6)
1. What is the bicycle doing for the first 6 seconds?
2. Describe the motion of the bicycle between 6 and 9 seconds
3. What is the average speed of the bicycle?
4. What is the speed of the bicycle at 3 seconds ?
5. How far away from the starting point is the bicycle after 8 seconds
6. What is the bicycle doing between 9-16 seconds?
8.
(5)