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
........