Q1 a particular guitar string is supposed to vibrate at 195

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Reference no: EM13354395

Q1. A particular guitar string is supposed to vibrate at 195 Hz, but it is measured to actually vibrate at 210 Hz. By what percent has to the tension in the string been changed to get the frequency to the correct value?

Q2. Plan a heater using nichrome wire which should get heated to 67 degree Celsius on applying 12V. What must be the dimensions of the nichrome wire used?

Q3. Weight of a box is 150 pounds. The horizontal force required to move the box is 70 lb. What horizontal force is required if 60lbs is added to box?

Reference no: EM13354395

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