!ND he falls down or whatta is this a riddle or a question we can't help you if you are not clear gosh people ...
Answer:
a=8.06m/s^2
Explanation:
The box can be considered negligible body slidding down along a curved path defined by the parabola Y=Ax^2
Note:
When it's at A(x=2m, y=1.6m),
the speed Vb=8m/s and the increase in speed=4m/s^2
To find the acceleration,
Y=Ax^2
dy/dx=8x
d^2y/dx^2=8
p={[1+(dy/dx)^2]^3/2}/|d^2y/dx^2| .......1
substituting into 1, we have
p=8.39624m
an=v^2/p
an=8^2/8.39624=7.6224m/s^2
a=sqrt(at^2+an^2)
a=sqrt(4^2+7.62246^2)
a=8.06m/s^2
Therefore, it is safe to say that as the mass of an object<span> increases so does </span>its <span>inertia. ... Mass and </span>velocity<span> are both directly proportional to the </span>momentum<span>. </span>If<span> you increase either mass or </span>velocity<span>, the </span>momentum<span> of the </span>object<span> increases proportionally. </span>If<span> you </span>double<span> the mass or </span>velocity<span> you </span>double<span> the </span>momentum<span>.</span>