BrownnBarbiee
BrownnBarbiee BrownnBarbiee
  • 15-11-2020
  • Physics
contestada

How long does it take for an 8 kg pumpkin to hit the ground if dropped from a height of 55 m.

Respuesta :

Muscardinus Muscardinus
  • 20-11-2020

Answer:

t = 3.35 s

Explanation:

It is given that,

Mass of a pumpkin, m = 8 kg

It is dropped from a height of 55 m

We need to find the time taken by it to hit the ground.

Initial velocity of the pumpkin, u = 0

Using second equation of motion to find it as follows :

[tex]h=ut+\dfrac{1}{2}at^2\\\\t=\sqrt{\dfrac{2h}{g}} \\\\t=\sqrt{\dfrac{2(55)}{9.8}} \\\\t=3.35\ s[/tex]

So, it will take 3.35 seconds to hit the ground.

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