A jet plane lands with velocity of 100m/s and can accelerate at a maximum rate of -5m/s2 as it come to rest. From the instant it touches the runway, what is the minimum time needed before it stops?

Need this now! do pilots live long

Aman is trying to drag a small tree that he cut down. if the static coefficient of friction of the tree on the ground is 0.5 and the tree weighs 670 n, what is the minimum amount of horizontal force that the man will need to apply so that the tree will start moving? o a. 465 n o b. 230 n o c. 670 n o d. 335 n

Blank is the perceived frequency of a sound wave