at which point should a researcher inform the respondents about the use of deception in a psychological study ? ?

a.
at the start of the study
b. at the end of the study
c. after publishing the study
d. during the course of the study

Isla’s change in velocity is 30 m/s, and hazel has the same change in velocity. which best explains why they would have different accelerations? isla had negative acceleration, and hazel had positive. isla had a different time than hazel. isla had positive acceleration, and hazel had negative. isla went a farther distance than hazel.

Determine the net charge of the predominant form of arg at (a) ph 1.0, (b) ph 5.0, (c) ph 10.5, and (d) ph 13.5

Aplane's average speed between two cities is 600 km/h. if the trip takes 2.5 hours, how far does the plane fly?