Question

a bowler throws Cricket ball at a speed of 36 km per hour how long does this ball take to travel a distance of 20 m to reach the batsman​

Answer 1

Hey

Given :-

speed of ball = 36 km/h

changing into m/s

speed of ball = 3600/3600 = 1 m/s

so to travel a distance of 20 m the balls takes 20 seconds of time

Answer 2

Explanation :-

Given :

→ Speed of Cricket Ball = 36 km/h

→ Distance = 20 m

To Find :

→ Time

Solution :

Convert Speed at km/h to m/s:

36 km/h = 36 × $\dfrac{5}{18}$ m/s

36 km/h = 10 m/s

$\sf Time = \dfrac{Distance}{Speed} \\ ⇒ \sf \dfrac{20}{10} \\ \sf ⇒ \sf 2 \: sec$

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