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Selina solutions
Grade 9 
Physics
Selina Solutions CONCISE subject class 9-ICSE-Physics
Chapter 2 Motion In One Dimension
Exercise 2C
Question 9
Physics
Selina Solutions CONCISE subject class 9-ICSE-Physics
Chapter 2 Motion In One Dimension
Exercise 2C
Question 9
Chapter 2 Motion In One Dimension | Exercise 2C
Question 9
CHAPTERS
1. Chapter 1 – Measurements and Experimentation
2. Chapter 2 Motion In One Dimension
4. Chapter 4 Pressure In Fluids And Atmospheric Pressure
5. Chapter 5 Upthrust In Fluids Archimedes Principle And Floatation
7. Chapter 7 Reflection Of Light
8. Chapter 8 Propogation Of Sound Waves
A body, initially at rest, starts moving with a constant acceleration 2m/s^2 . Calculate: (i) the velocity acquired and (ii) and the distance travelled in 5s.
Given: a= 2m/s^2 , u=0m/s, v=?; t=5s; s=?
(i) v=u+at
= 0 + 2x5
v = 10m/s
(ii) s =ut+ ½ at2
= 0(5) + ½ (2)(5)2
= 0 + 25
Distance travelled = 25m
Question 9
A body, initially at rest, starts moving with a constant acceleration 2m/s^2 . Calculate: (i) the velocity acquired and (ii) and the distance travelled in 5s.
Given: a= 2m/s^2 , u=0m/s, v=?; t=5s; s=?
(i) v=u+at
= 0 + 2x5
v = 10m/s
(ii) s =ut+ ½ at2
= 0(5) + ½ (2)(5)2
= 0 + 25
Distance travelled = 25m
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