Answered

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Tom has a meter stick which is marked off in centimeters (cm). he measures a distance three (3)
times and gets measurements of: 11.52m, 11.51m, and 11.51m. a later calibration of the stick
shows it to be actually 1.001m long (1mm too long). tom's friend bill also has a meter
stick but
it's marked off in millimeters (mm). he measures the same distance three times also, and gets:
11.452m, 11.451m, and 11.451m. a later calibration of his stick shows it to be 1.05m long (5 cm
too long)
a.
whose measurements are more precise, tom's or bill's?
b. whose measurements are more accurate?

Sagot :

a. The measurement done by Bill is more precise than Tom. Because all the measurements done by Bill are measured up to mm and which are very close to each other, but for Tom's measurement value measured up to cm.

b. The measurement done by Tom is more accurate than Bill's measurement. Because the actual scale of meter scale is close to 1.001m, which is off by 1mm, but Bill's meter stick is 1.05m, which have errors in centimeters.

What is meter scale?

Length is one of the fundamental units in system of measurement. The SI unit of the length is meter. The meter scale is apparatus for measurement of the length of any object. Example: The length of square is 5 meters. Here, 5 is magnitude of the length and meter is the unit of length. 1 meter of meter scale is divided into 100 centimeters. Meter scale is used to measure the Length.

Note: The meter scale reading does not change with the temperature and other physical quantities. The scale used for measurement should not be affected by the physical environment, it should be available easily. Thus, to make any device for measurement of physical quantity above criteria should be kept in mind.

To know more about length visit: https://brainly.com/question/8552546

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