The second exam on chapter 2
A student measures a volume of cube where the relative error of length of one side is 0.01 and its side length 5cm , so the absolute error in this case is …
375
0.03
3.75
The absolute error is equal to the relative error when
The absolute error=1
The real value =1
The relative error=1
If the absolute error of length is 0.1 and the actual value is 10 cm , so the measured value is ….
10.1 cm
9.9 cm
All of the previous
From the opposite figure , what is the area of the circle?
~236
~1212
~4848
The pointer of minutes move ten minutes, what is the displacement that covered by this pointer?
Zero
r
r√2
If the vector product of two vectors A^B=C , then A . C =….
Zero
Vector B
No correct answer