Physics, asked by khushisingh35645, 1 month ago

if a sprinter runs a distance of 100 M in 9.83 seconds calculate his average speed in kilometre per hour


sprinter runs 100m in 9.83 sec

we know that formula of speed: distance /time
100m/9.83 sec
 = 10.17


we know in 1 km /1000m and 1 hour 3600 sec

1000 \div 3600 = 18 \5
avarage speed ;distance/time

18 \5  \times 10.17 = 36.62 answer


Answers

Answered by adityapatel57208
1

Answer:

Total distance travelled =100m

Total time taken =9.83sec

Average speed =

Total time taken

Total distance travelled

=

9.83

100

=10.172m/s

Average speed in km/h:

10.172×(3600/1000)=36.62km/h

Answered by NewGeneEinstein
1
  • Total distance=100m
  • Total time=9.83s

\boxed{\sf Average\:Speed=\dfrac{Total\:Distance}{Total\:Time}}

\\ \sf\longmapsto Average\:Speed=\dfrac{100}{9.83}

\\ \sf\longmapsto Average\:Speed=10.1m/s

Now converting to km/h

\\ \sf\longmapsto 10.1\times \dfrac{18}{5}

\\ \sf\longmapsto 36.62km/h

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