Answer to Question #103057 in Physics for Nimra
2020-02-14T12:05:46-05:00
A jet lands on a aircraft carrier at 744 mile (20 m/s).
(a)what is its acceleration if it stops in 6 sec.
(b)what is the displacement of the plane which it is stopping.
1
2020-03-02T10:25:35-0500
Given:
"v_i=20\\:\\rm m\/s;"
"v_f=0\\:\\rm m\/s;"
"t=6\\:\\rm s."
(a) The acceleration
"a=\\frac{v_f-v_i}{t}=\\frac{0-20}{6}=-3.3\\:\\rm m\/s^2." (b) The displacement
"d=\\frac{v_f+v_i}{2}t=\\frac{0+20}{2}\\times 6=60\\:\\rm m."
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