|  | Catch that shadow - calculation - how you do it |  | 
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| Speed = | Distance moved | ||
| Time taken | |||
| Distance between school A and school B is 60 miles measured on the OS map. | |||
| Time taken for shadow to move from school A to school B is 10.05 - 10.03 = 2 minutes | |||
| Speed = | Distance moved = | 60 miles | = 30 miles | 
| Time taken | 2 minutes | per minute | |
| Speed of moon's shadow in this example = 30 x 60 = 1800 miles per hour | |||
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