Physics: A hockey puck initially travelling to the right at 34 m/s. It moves for 7 before coming to a stop. How far did it move in 7 seconds? You can use kinematic equations

A hockey puck initially travelling to the right

Ответ:

izzyisawesome5232

03.02.2022

Physics

x=119m

Explanation:

Hello,

In this case, since the hockey puck was moving at 34 m/s and suddenly stopped (final velocity is zero) in 7 seconds, we can first compute the acceleration via:

$a=\frac{v_f-v_o}{t}=\frac{0m/s-34m/s}{7s}\\ \\a=-4.86m/s^2$

In such a way, we can compute the displacement via:

$x=\frac{v_f^2-v_o^2}{2a}\\ \\x=\frac{0^2-(34m/s)^2}{2*-4.86m/s^2}\\ \\x=119m$

Best regards.

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Ответ:

mayaholmes

16.05.2023

Physics

the answer is BAANN

Explanation:

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A hockey puck initially travelling to the right at 34 m/s. It moves for 7 before coming to a stop. How far did it move in 7 seconds?
You can use kinematic equations

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