The figure shows an initially stationary block of massm on a floor. A force of magnitude 0.500mg isthen applied at upward angle θ = 20°. What is themagnitude of the acceleration of the block across the floor if(a) μs = 0.630 andμk = 0.530 and (b)μs = 0.430 and μk =0.320?
| (a) | Number | Enter your answer in accordance to item (a) of the questionstatement | Units | Choose the answer from the menu in accordance to item (a) ofthe question statement |
| (b) | Number | Enter your answer in accordance to item (b) of the questionstatement | Units | Choose the answer from the menu in accordance to item (b) ofthe question statement |
