Answer: initial velocity: 20 m/s
time taken to complete the turn: 50s
final velocity: 15 m/s
average acceleration= final velocity-initial velocity/time taken - 0s( 0 is taken here as there was no initial time)
= 15-20/50-0
= -5/50= -0.1 ms^2
Your body is pushing down on a chair because it is being attracted by gravity, the reason that your body is not moving down because there is a normal force acting on your body; together the net force of weight (m*g) and normal force is equal to zero
185 newtons because (W=Fd so W/d=F)296/1.6=185
They don't want to be killed or they are hiding