Question

An astronaut on another planet drops a 1 kg rock from rest and finds that it falls a vertical distance of
4 m in one second. On this planet, the rock has a weight of?

Answer 1

Answer:

ur solution is in the pic

Explanation:

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Answer 2

Answer is

Weight = 5N

Explanation:

As we know that rock falls a distance of 2.5 m in one second so now we can use kinematics to find the acceleration of the rock

here we know

d = 2.5 m

t = 1 s

now from above equation we know

So here the weight of the rock is given as