Question

Question

In international play hockey puck is struck by a "green team" hockey player at the blue line with 2:35 on the clock. It is stopped by an "orange team" player at the opposite blue line with 2:32 on the clock. On an international hockey rink the blue lines are 17⅔ m apart. Calculate the speed of the hockey puck.
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Answer 1

To calculate the speed of the hockey puck, we first determine the time it takes for the puck to travel from the green team player to the orange team player.

1. Calculate the time interval:

   • The puck is struck at 2:35 and stopped at 2:32.
   • The time interval is 3 seconds (from 2:35 to 2:32).

2. Distance between the blue lines:

   • The distance is given as 17⅔ meters, which can be converted into a decimal: \[ 17 \frac{2}{3} = 17.6667 \text{ meters} \]

3. Calculate speed: Speed is calculated using the formula: \[ \text{Speed} = \frac{\text{Distance}}{\text{Time}} \] Substituting in the values we have: \[ \text{Speed} = \frac{17.6667 \text{ meters}}{3 \text{ seconds}} \approx 5.8889 \text{ meters/second} \]

Thus, the speed of the hockey puck is approximately 5.89 meters per second.