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.

Answer 1

To calculate the speed of the hockey puck, we need to determine the distance it traveled and the time it took to travel that distance.

1. Distance: The distance between the two blue lines is given as 17⅔ meters. This can be converted to a decimal: $$17\frac{2}{3}=17+\frac{2}{3}=17+0.6667\approx 17.6667\text{ meters}$$

2. Time: The puck was struck at 2:35 and was stopped at 2:32. Therefore, the time it took for the puck to travel from the blue line to the other blue line is: $$2:35-2:32=3\text{ seconds}$$

3. Calculating Speed: Speed is calculated using the formula: $$\text{Speed}=\frac{\text{Distance}}{\text{Time}}$$ Substituting in our values: $$\text{Speed}=\frac{17.6667\text{ m}}{3\text{ s}}\approx 5.8889\text{ m/s}$$

Thus, the speed of the hockey puck is approximately 5.89 m/s.