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Chapter 2 Motion In One Dimension | Exercise 2C

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

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(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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subject-cta

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

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

(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

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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