Question

A coin rolls from rest down a ramp with an acceleration of 4m/s². How far will the coin reach after 3 seconds? ​

Answer 1

Answer:

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Answer 2

Answer:

$\huge\text {\underline{\underline{18 m}}}$

Explanation:

Given :

acceleration = a = 4m/s²

time = t = 3 seconds

initial velocity = u = 0

To Find :

Distance - (s) travelled in 3 seconds

Formula :

$\boxed {\mathrm {s = ut + \frac{1}{2}a t^2}}$

Solution :

Now, placing the values in the formula , we get

$s = (0)(3) + \frac{1}{2} (4) (3)^2\\\implies s = 0 + 2 \times 9\\\implies s = 18\ m$

It will reach 18 m in 3 seconds

Hope it helps

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