Question

5. Solve the following examples.
a. An object takes 5 s to reach the grond
from a height of 5 m on a planet.
What is the value of g on the planet?
Ans: 0.4 m/s2​

Answer 1

Answer:

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g = 0.4 m/s^2

Explanation:

Given,

Time taken: 5s......................(t)

Height: 5m.....................(s)

Initial Velocity: 0m/s..................(u)

Now,

=> s = ut + 1/2 at^2

=> -5 = 0(5) + 1/2 x (-g) x 5^2

=> -5 = -1/2 x g x 25

=> g = 10/25

=> g = 0.4 m/s^2