# A coin released at rest from the top of a tower hits the ground after falling 1.5 s. What is the speed of the coin as it hits the ground?

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## Question:

A coin released at rest from the top of a tower hits the ground after falling 1.5 s. What is the speed of the coin as it hits the ground?

The speed of coin as it hits the ground is 14.7 m/s.

Given data:

Initial speed of coin is, .

Time taken to fall on ground is, .

Use first kinematic equation of motion as,

here, g is the gravitational acceleration.

Solving as,

Thus, the speed of coin as it hits the ground is 14.7 m/s.