Construct Free Body Diagram. Anna started to push the sleeping Olaf by 100.0N on a smooth surface. Upon pushing, he moved 50.00m in 20.00s under constant  acceleration. (a) What is Olaf's mass? (b) If Anna released Olaf after 20.00s, how much more will Olaf slide in the next 10.00seconds?

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A: Free body diagram:

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A: (a) final velocity  v=u+gt=0+9.8 m/s21.2 s=11.76 m/s≈12 m/s