If the attacker is located on Alice's network, which network layer(s) can be attacked (Alice's computer)?

Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)

The thermal expansion or contraction of a given metal is a function of the f a)-density b)-initial temperature c)- temperature difference d)- linear coefficient of thermal expansion e)- final temperature f)- original length