Physics, 23.10.2019 17:00, xthom001ow7go3

Ahockey puck is hit on a frozen lake and starts moving with a speed of 13 m/s. seven seconds later, its speed is 6.7 m/s. what is its average acceleration? the acceleration of gravity is 9.8 m/s 2 . answer in units of m/s 2 .

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Ahockey puck is hit on a frozen lake and starts moving with a speed of 13 m/s. seven seconds later,...