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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 5
Physics
Selina Solutions CONCISE subject class 9-ICSE-Physics
Chapter 2 Motion In One Dimension
Exercise 2C
Question 5
Chapter 2 Motion In One Dimension | Exercise 2C
Question 5
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 car starting from rest accelerates uniformly to acquire a speed 20km/h in 30 min. The distance travelled by car in this time interval will be:
(a) 600km
(b) 5km
(c) 6km
(d) 10km
(b) 5km
v = u + at
20 = 0+ a(1/2)
a = 40km/h
S = ut + ½ at.t
= 0(1/2) + ½ (40)(0.25)
= 0+5 = 5km
Question 5
A car starting from rest accelerates uniformly to acquire a speed 20km/h in 30 min. The distance travelled by car in this time interval will be:
(a) 600km
(b) 5km
(c) 6km
(d) 10km
(b) 5km
v = u + at
20 = 0+ a(1/2)
a = 40km/h
S = ut + ½ at.t
= 0(1/2) + ½ (40)(0.25)
= 0+5 = 5km
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