Asked by Kyle
Lauren was playing hockey and took a 90 km/hr slap shot at the goal, 10 m away. If the goalie must move her glove 0.50 m to stop the puck, and her reaction time is 0.18 seconds, how fast must she move her glove?
Answers
Answered by
drwls
First convert 90 km/h to 25 m/s. The puck reaches the goal in 10/25 = 0.40 s.
She has 0.22 s to move her glove 0.50 m after her reaction time delay.
0.50/0.22 = ? m/s
She has 0.22 s to move her glove 0.50 m after her reaction time delay.
0.50/0.22 = ? m/s
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