Answer:
<u>U = mgh = (1250 kg)(9.8 m/s2)(2m) = ? J</u>
HOPE THIS HELPS
we are given
x^2-4x-5
we can use formula
x^2-(a+b)x+ab=(x-a)(x-b)
so, we have
a+b=4
ab=-5
now, we can solve for a and b
and we get
a=5, b=-1
now, we can plug it in formula
x^2-4x-5=(x-5)(x+1) ............Answer
I have never see a banana 30cm, so 14cm is the right answer.