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In fig. 16-47a, string 1 has a linear density of 3.00 g/m, and string 2 has a linear density of 5.00 g/m. They are under tension due to the hanging block of mass M= 800 g. Calculate the wave speed on (a) string 1 and (b) string 2 (Hint: When a string loops halfway around a pulley, it pulls on the pulley witii a net force that is twice the tension in the string) Next the block is divided into two blocks (with M_(1)+M_(2)=M) and the apparatus in tearranged as shown in fig. 16-47b. Find (c) M_(1) and (d) M_(2) such that the wave speeds in the two strings are equal. |
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