9. [-/2 Points] HRW9 6.P.063. ASK YOUR TEACHER In the gure below, a 59 kg rock climber is climbing a "chimney" between two rock slabs. The static coefficient of friction between her shoes and the rock is 1.1; between her back and the rock it is 0.80, She has reduced her push against the rock until her back and her shoes are on the verge of slipping. (a) Draw a free-body diagram of her. (Do this on paper. Your instructor may ask you to turn in this diagram.) (b) What is the magnitude of her push against the rock? N (c) What fraction of her weight is supported by the frictional force on her shoes? % 10. [0/1 Points] DETAILS PREVIOUS ANSWERS HRW9 6.P.069. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A student, crazed by final exams, uses a force P of magnitude 90 N to push a 7.0 kg block across the ceiling of his room, as shown below. If the coefficient of kinetic friction between the block and the ceiling's surface is 0.40, what is the magnitude of the block's acceleration? . . . . . ... m/s2 Enter a number. A P 70 Submit Answer5. [2/3 Points] PREVIOUS ANSWERS HRW9 5.P.055.SSM. Two blocks are in contact on a frictionless table. A horizontal force is applied to one block, as shown below. ASK YOUR TEACHER ' | (a) If m1 = 1.9 kg, m2 = 1.1 kg, and F = 3.0 N, find the force between the two blocks. 1.1 y N (b) If a force of the same magnitude F is applied to m2 but in the opposite direction, what is the force between the blocks? It is not the same value calculated in (a). 1.9 w N (c) Explain the difference. The difference between the two forces is that This answer has not been graded yel. . Viewing Saved Work Revert to Last Response Sumet