Question: At time t = 0, a block is released from the point O on the slope shown in Fig. 1.16. The block accelerates down

At time t = 0, a block is released from the point O on the slope shown in Fig. 1.16. The block accelerates down the slope, overcoming the sliding friction (coef- ficient ). (a) Choose axes Oxy as shown, and resolve the equation = ma into its x and y components. Hence find the block's position (x, y) as a function of time, and the time it takes to reach the bottom. (b) Carry out the solution using axes Ox'y', with Ox' horizontal and Oy' vertical, and show that you get the same final answer. Explain why the solution using these axes is less convenient. X 0 FIGURE I.16 (Problem 1.1)

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