A ball thrown horizontally at 25 m/s travels a horizontal distance of 50 m before hitting the ground. From what height was the ball thrown?

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Answer:

attached below

Step-by-step explanation:

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The height from where the ball should be thrown is 19.6m.

Given that,

  • The ball is thrown horizontally at 25m/s.
  • And, the horizontal distance is 50m.

Based on the above information,

The time is

= 50 ÷ 25

= 2 sec

Now  

h = 0.5gt^2

= 4.9(2)^2

= 19.6 m

Therefore we can conclude that the height from where the ball should be thrown is 19.6m.

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