Asked by Mikayla
A hockey puck is hit on a frozen lake and
starts moving with a speed of 12.1 m/s. Four
seconds later, its speed is 6.7 m/s.
What is its average acceleration? The ac-
celeration of gravity is 9.8 m/s2 .
Answer in units of m/s2.
What is the average value of the coefficient of
kinetic friction between puck and ice?
How far does the puck travel during this 4 s
interval?
Answer in units of m.
starts moving with a speed of 12.1 m/s. Four
seconds later, its speed is 6.7 m/s.
What is its average acceleration? The ac-
celeration of gravity is 9.8 m/s2 .
Answer in units of m/s2.
What is the average value of the coefficient of
kinetic friction between puck and ice?
How far does the puck travel during this 4 s
interval?
Answer in units of m.
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