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Physics, 29.07.2019 17:30 duplessistoccara

Ahockey puck is hit on a frozen lake and starts moving with a speed of 12.0 m/s. exactly 5.0 s later, its speed is 6.0 m/s. what is the puck's average acceleration? what is the coefficient of kinetic friction between the puck and the ice?

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Ahockey puck is hit on a frozen lake and starts moving with a speed of 12.0 m/s. exactly 5.0 s later...
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