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Q. A 10.0-m-long wire of mass 123 g is streched under a tension of 255 N. A pulse is generated at one end, and 20.0 ms later a second pulse is generated at the opposite end. Where will the two pulses first meet?

Q. A space traveler weighs 535 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth?

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