Difference between Datum and Datum feature is<em> 'Datum is theoretical and Datum feature is real'.
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Option: (b)
<u>Explanation:</u>
A Datum is a perfect plane, line, point or surface but only occurs theoretically.
However a Datum Feature is fully based on a tangible surface, axis or point on a part where that theoretical datum is located.
The reason behind in this is they are not equal to each other because the 'part surface' is never 100% perfect.
The important functional features of the Datum is controlled during measurements.
Answer:
The car's instant speed is 20m/s
Explanation:
a = at + an
The above equation is a vector equation
a is the resultant acceleration
at is the tangent acceleration
an is the normal acceleration
See the attached diagram for solution
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Answer:
3
Explanation:
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