Answer:
presumptuous
Explanation:
it's what you call someone who assumes something
"Constant velocity" is another way of saying "zero acceleration".
Answer:1.71 m/s
Explanation:
Given
mass of Susan 
Inclination 
Tension 
coefficient of Friction 
Resolving Forces Along x axis

where

since there is no movement in Y direction therefore

and 
Thus 


Work done by applied Force is equal to change to kinetic Energy




I think it false. Sorry if i'm wrong.