roseandwendy roseandwendy

13-03-2016
Physics

Answered

if a stone with an original veloscity of 0 is falling from a ledge and takes 8 seconds to hit the ground, what is the final velocity of the stone

Verified Answer :

Divyankasc Divyankasc

13-03-2016

Initial velocity -u = 0 m/s

Final velocity -v = ?

Time taken = 8 s

Acceleration due to gravity = 10 m /s²

Using Eq.1 of motion,

v = u + at

v = 0 + (10)(8)

Therefore, v = 80 m/s

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