NCERT CLASS IX - Science Textbook
Chapter 8 - Motion
A train starting from a railway station and moving with uniform acceleration attains a speed 40 km h - '1in 10 minutes. Find its acceleration.
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v= u + at
v= 40 km/h because initial velocity is zero
40 = 0 + a × t
40 = a ×10
40/10 = a
a= 4m/s
v= 40 km/h because initial velocity is zero
40 = 0 + a × t
40 = a ×10
40/10 = a
a= 4m/s
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