How fast is this bowling ball moving?

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A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 16.5 meters long. The bowler hears the sound of the ball hitting the pins 2.6 seconds after the ball is released from his hand. What is the speed of the ball given that the speed of sound is 340 meters per second?

The first thing that should be noted here is that the 2.6 seconds will be the sum of the time required for ball to reach the pins PLUS the time required for the sound to travel back to the bowler’s ears.

What follows is that calculation with v representing the speed of the bowling ball. The calcualation shows that the bowling ball is traveling at a speed of 6.47 meters per second.

Determining speed of bowling ball based on lane length, time, and speed of sound
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