Lakhmir Singh Solutions Class 9 Physics Solutions for Exercise in Chapter 1 - Motion
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A bus increases its speed from 36 km/hr to 72 km/hr in 10 seconds. Its acceleration is:
a) 5 \mathrm{m.s^{-2}}
b) 2 \mathrm{m.s^{-2}}
c) 3.6 \mathrm{m.s^{-2}}
d) 1 \mathrm{m.s^{-2}}
Answer:
The correct answer is d) 1 \mathrm{m.s^{-2}}
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