Homework Help: Physics

Posted by Alex on Monday, November 19, 2012 at 9:59pm.

A thrill-seeking cat with mass 4.00 kg is attached by a harness to an ideal spring of negligible mass and oscillates vertically in SHM. The amplitude is 0.050 m, and at the highest point of the motion the spring has its natural unstretched length. Calculate the elastic potential energy of the spring (take it to be zero for the unstretched spring), the kinetic energy of the cat, the gravitational potential energy of the system relative to the lowest point of the motion, and the sum of these three energies

Calculate the elastic potential energy of the spring (take it to be zero for the unstretched spring) when the cat is at its highest point.

Physics - Mikey, Monday, November 19, 2012 at 10:07pm
Solve:

vbr{lr<5vvx><f(nn)/.bbn>
vbr<lr><5.12>(9.8)^3
.bbn=%ff
%ff=F(9x)
.bbn=%ff9x
.bbn=.133%tri
.bbn=.tri
t.ri=vbr
v=31.4
b=59.3
r=28.6
KE___?
Physics - Mikey, Monday, November 19, 2012 at 10:09pm
^^^Wrong!

10c-<0.06>=f(n)(l1/l3+l2/l4)
uf=f(x)_ln<1.962>
fx/%fl
%fl=1.333
2C-<0.09>=f(1.33)
ANS:___?
Physics - Alex, Monday, November 19, 2012 at 10:16pm
dude I have no idea what you just typed..

can you please clarify what all the variables you used stand for?
Physics - MathematicsPro, Monday, November 19, 2012 at 10:19pm
fl= flux
uf= kinetic flux
fx= potential flux
l= lib
C= constant

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