se assessment id 134182 18 course,id 265569 18 content.id3423633,18estepnu QUEST

Question

se assessment id 134182 18 course,id 265569 18 content.id3423633,18estepnu QUESTION 6 6 points Save A A force of S0N pushes a 20kg box. The cofficient of kinetic friction is 0 2 What is the accsleration of the box? O 054 m's? 0.54 O0 86 m/s? O 1.12 m/s O 254 m/s QUESTION 7 6 points Save Answ A nontil launches at60dogrees with a lotol rital wekchy of toons tlards onthe ground some hme ltir what s the tttrete bul s n to ar? 088s 127s 154s 177s 88s QUESTION 6 points Save Answer slowing down with an accelerator, magnaaof $0mS2 "you" mass es 100kg, what does the scale read? 220ON O 200N ION 120N

Explanation / Answer

6) 50-20*9.8*.2/20 = 0.54

7) Total time = 2 v sin (theta)/g = 2*100*sin 60/ 9.8 = 17.7 s

8) 2200N

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