Find the average acceleration of a northbound subway train that slows from 12 m/s to 9.6 m/s in 0.9 s
question 3 options:

-2.7 m/s2

-2.7 m/s

2.7 m/s2

2.7 m/s

Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

Blank liquids and gases exert a buoyant force on objects placed in them

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.