Answered

***1)An airplane starts from rest and accelerates at a constant 3.00 m/s2 for 30.0 s before leaving the ground.  What is its displacement during this time?



Sagot :

s=1/2at²+v(initial)t
s=1/2(3)(30)²+(0)(30)
s=1/2(3)(30)²+0
s=900(1/2)(3)
s=450(3)
s=1350m