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الاسئله :
Q1:The officially recognized set of units for scientific work is the
Q2: Experimental data usually contain.........and...........9
Q3:best way to convert units is to multi ply by a factor of .......for each unit that must be converted
Q4:The change in position is called the...........1
Q5:The average velocity is the ratio.........2
Q6:The instantaneous velocity is the average velocity evaluated for......3
Q7:4........The average acceleration is the........ divided by the
Q8:On an x-t graph,the slope equals the........5
Q9:On av-t graph,the slope equals the...........6
Q10:The velocity change equals the area un-der the........graph
Q11:The displacement equals the area under the .........graph
Q12: In air,a rock falls faster than afether because of........7
Q13:When an obgect thrown straight up ward reaches its greatest height.its velocity is.........and its accelration is
........