Calculate her average speed in this process

Reference no: EM13524062

A girl was walking along the street. In the first 7 minutes she walked eastward for 692 m. Then she found out she lost her purse and went back. After 2.2 minutes she found it 230 m away.

(a) Calculate her average speed in this process. (m/min)

(b) Calculate her average velocity for the entire process, using eastward as the positive direction. (m/min)

Reference no: EM13524062

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