I have a project where I need to research and report on an Electrical Engineering malpractice. Basically, where the engineer faulted the design.
I can't find anything with any amount of information. Anyone have any ideas or topics? I was thinking of the California blackouts but there isn't...
What is The amplitude of the sound if the speakers are placed side by side?
A = 2*a*cos(\Delta\Phi/ 2)
The amplitude has its max value A=2a if cos(\Delta\Phi/2) = +/- 1.
This is not the case so take a out.
2*cos(\Delta\Phi/2)=.765
Something a friend told me that's a little clearer to me and...
Problem 13.30
A thin, 60.0g disk with a diameter of 7.00 cm rotates about an axis through its center with 0.240 J of kinetic energy. What is the speed of a point on the rim?
Homework Equations
m=.06kg
r=.035m
KE=.240J
The Attempt at a Solution
K=(1/2)*I*(w^2)
I=(1/2)*M*R^2
I'm using the...
Just mv^2 does not work.My buddy has a different values and he got 0.443 for the question:
A 500g, 8.0-cm-diameter can rolls across the floor at 1.0 m/s. What's the can's kinetic energy.
A 500g, 8.0-cm-diameter can rolls across the floor at 1.0 m/s. What's the can's kinetic energy.
I solved this using:
K = \frac{1}{2}*I*(\frac{v}{r})^{2}
and for some reason I get 1/3 the answer. So I multiplied it by 3 at the end. Is there something wrong with the formula I'm using...
A girl of mass m_G is walking up a slippery slope while pulling a sled of unknown mass; the slope makes an angle theta with the horizontal. The coefficient of static friction between the girl's boots and the slope is mu_s; the friction between the sled and the slope is negligible. It turns out...