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that may be...but how exactly do you get hold of any kind of research/lab work??...it's like they show you the door if you're not some kind of advanced level maniac... as of now...the only thing I have on hands is a project I'm doing for motorola

how easy or hard is it to make a transition from engineering to pure science at the graduate level?

Always start by identifying configuration/mode of operation the OP-AMP is working in.Then begin accounting for each resistance till you reduce it down to an expression... An OP-AMP is basically a high gain amplifier...you'd do good to find out the gain since the output is essentially a...

try resolving force into components...

here's another way of looking at it... downward force= (mg+ma)...this is applied onto the surface by the guy for every force applied to the surface(mattress/water)...there will be an equal and opposite reaction by the surface in the upward direction...

Am I wrong or can you compute the value of 'c' in each case by substituting the boundaries?

It's still not the answer.

here's your hint: As of this scenario, the system remains static as long as the forces on the block(due to friction)...and on the bucket+sand(gravity), balance each other! let's say 'x' is the maximum mass of sand for which the system remains stationary...then equating the forces...

I'm a 3rd year student of electronics and communication engineering...and as of now my gpa stands at a 3.5 on a 5...seriously beats me how good that is to secure a place in a reasonably well known graduate school...hoping someone would tell me...and is the cut off different according to the...