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Question: 1 a woman jogs halfway home at 8 kmh and...

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1-    A woman jogs halfway home at 8 km/h and walks the rest of the way at 6 km/h. Find her average velocity for the entire trip

 

 

2-    A girl throws a ball 20 m vertically into the air. (a) How long does she have to wait to catch it on the way down? (b) What was its initial velocity? (c) What will be its final velocity?

 

 

3-    A 50-kg boy at rest on roller skates catches a 0.6-kg ball moving toward him at 30 m/s. How fast does he move backward as a result?

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