Question

An object takes 5 s to reach the ground from a height of 5m on a planet.what is the value of g on the planet​

Answer 1

Answer:

5g of object

Explanation:

Simple

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Answer 2

Explanation:

Since g is the acceleration due to the planet's gravity on that planet, hence we have,

Time (t) = 5 seconds, Height (h) = 5 m, Initial velocity (u) = 0 m/s

From 2nd equation of motion, and also taking downward direction as positive, we have,

h = ut + (1/2)× gt²

==> 5 = 1/2 × g × 5 × 5

==> g = 2/5 m/s²

or g = 0.4 m/s²

Hence the value of g on that planet is 0.4 m/s².

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