A car starts from rest at point O and accelerates uniformly on a straight road for 10 seconds until it reaches point A with a speed of 20 m/s (Stage OA). At point A, the car continues with a constant speed of 20 m/s for 3 minutes (Stage AB). When reaching point B, the brakes are applied and the car decelerates at a constant rate until it stops at point C. The distance travelled by the car from B to C is 20 m (Stage BC). What is the distance covered in stage 2? VA-20 m/s - 20 m/s a) 3600 m b) 3950 m c) 4200 m d) 4450 m e) 4700 m A OA = ? OA 10 s a = ? BC 20 m Bc ? AB = ? AB 180 s a=? O a O e

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Chapter1: Units, Trigonometry. And Vectors
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A car starts from rest at point O and accelerates uniformly on a straight road for
10 seconds until it reaches point A with a speed of 20 m/s (Stage OA).
At point A, the car continues with a constant speed of 20 m/s for 3 minutes
(Stage AB).
When reaching point B, the brakes are applied and the car decelerates at a
constant rate until it stops at point C. The distance travelled by the car from B to
C is 20 m (Stage BC).
What is the distance covered in
stage
2?
Ve =0
V= 20 m/s
V- 20 m/s
a) 3600 m
b) 3950 m
c) 4200 m
d) 4450 m
e) 4700 m
A
B
BC = 20 m
OA = ?
OA= 10 s
a = ?
AB = ?
AB 180 s
a =?
a
Transcribed Image Text:A car starts from rest at point O and accelerates uniformly on a straight road for 10 seconds until it reaches point A with a speed of 20 m/s (Stage OA). At point A, the car continues with a constant speed of 20 m/s for 3 minutes (Stage AB). When reaching point B, the brakes are applied and the car decelerates at a constant rate until it stops at point C. The distance travelled by the car from B to C is 20 m (Stage BC). What is the distance covered in stage 2? Ve =0 V= 20 m/s V- 20 m/s a) 3600 m b) 3950 m c) 4200 m d) 4450 m e) 4700 m A B BC = 20 m OA = ? OA= 10 s a = ? AB = ? AB 180 s a =? a
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