NCERT CLASS IX - Science Textbook
Chapter 8 - Motion
A racing car has a uniform acceleration of 4 m s - '2. What distance will it cover in 10 s after start?
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Here we know,
acceleration a = 4 m/s²
time = 10 s
distance = ?
s = u × t + 1/2 × a × t²
= 0 × 10 + (4 × 100)/2
= 2 × 100
= 200 metres
acceleration a = 4 m/s²
time = 10 s
distance = ?
s = u × t + 1/2 × a × t²
= 0 × 10 + (4 × 100)/2
= 2 × 100
= 200 metres
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