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Physics, 10.09.2021 01:40 Braxtonw875

Hii need sum help please Alex leaves his home and heads due north to the library travelling 12 km/h. After he arrives he waits 5 minutes before travelling N30W at the same speed for 10 minutes until he arrives at john's house. They work on some school and then Alex goes back home.
a) how far is the library from Alex's home
b) how far is John's house from the library

thanks luvs

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