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mr_godi [17]
3 years ago
9

Distance travelled by a free falling object in the first second is: a) 4.9m b) 9.8m c) 19.6m d) 10m​

Physics
1 answer:
zvonat [6]3 years ago
6 0
  • Time=1s=t
  • Acceleration due to gravity=g=9.8m/s^2
  • Distance=s

In free fall

\boxed{\sf s=-\dfrac{1}{2}gt^2}

\\ \sf\longmapsto s=-\dfrac{1}{2}\times 9.8(1)^2

\\ \sf\longmapsto s=-4.9(1)

\\ \sf\longmapsto s=-4.9m

  • Take it positive

\\ \sf\longmapsto s=4.9m

  • Option a is correct
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