Recent content by nuclearfireball_42

This might be a dumb question but I have to calculate in radians mode in the calculator right to find x?

I've got the answer for (a). It's k = 0.78 N/m. I'm having problems with (b). I know that the equation of displacement in this case should either be : x(t) = Asin(ωt + φ) or x(t) = Acos(ωt - φ) where A = amplitudeFrom what I understand, both the equation above should give the same result as...

So the Bernoulli's Equation.. My question : Are the terms on the left hand side equal to the total mechanical energy? So can I rewrite this equation as ?

Here's my working : - The answer I get this time is the same with the one given. But is this a right way of solving this question?

a3 = 6m/s2

Thanks everybody for the reply :) . I've understood how to get the equation for acceleration of the bodies. I've also understood that T1 is equal in magnitude to T3. But the answer that I got doesn't seem to match the one given. Is it true for me to assume that the tension in the string...

The figure : What I understand from the figure : T1=m1a1 T2=m2a2 T3-m3g=m3(-a3) - The three masses given all have different mass so each of them has different acceleration - How do one substitute to obtain the answer for a3? - I've tried to substitute to find the value of a3, but it seems...

Will look it up. Thanks!

So, I was in class listening to my lecturer when I notice something intriguing. I was looking at the reflection of a lamp on the screen of my calculator. I paid close attention to the colour of the light reflected of my calculator and realized that when I rotate my calculator by about 90 deg...