A procedure used by some qualitative researchers involving sending the findings to participants to get their feedback on the content and accuracy of the research report, is called .

Explanation:open or close ended questionnaire

This involves sending printed questionnaires to participants on research topic and later gathering the questionnaire for analyses

when the united states took over

a. formula: f=ma or f/m=a

10,000n/1,267kg≈7.9m/

b. formula: a= and s=d/t

speed= 394.6/15

s=26.3m/s

a=

a=1.75m/

c. 7.9-1.75=difference of 6.15m/

d. the force that most likely caused this difference is friction forces