sandovalhaley081 sandovalhaley081

19-09-2022
Physics

contestada

How much extra time does it take to swim 50.01 m than 49.99 m (a difference of 2 cm)? Assume a good
swimmer can swim 50 m in 25 s.

Respuesta :

sharmajohn052 sharmajohn052

19-09-2022

Answer:

1.2km

Explanation:

Length of a swimming pool =50 m

A boy crosses it and then come back

Total distance covered =50×2=100 m

Time taken =5 minutes

∴Speed in km/h=

T

D

=

1000×5

100×60

=1

5

1

km/h=1.2 km/h

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