Actually, I'm studying for my entrance exams to college.
I think the professor made a mistake.
So , the question says :
A diffraction pattern of a light beam from a narrow slit and from a thread are :
a)Completely identical
b)Totally different
c)Identical except for the center.
He...
A 50.0mh inductor is connected to an ac voltage source of 24.0V.The current flowing in this circuit is 0.60A.The frequency of the voltage source is :
a)50Hz
b)60Hz
c)1.27*10^3 Hz
My Work so far ! :
f = w/2pi.
But here we have L , E and i.
Any help will be welcomed.
A 50kg student climbs a 5.0m long rope and stops at the top.What must her average speed be in order to match the power output of 200w.
a)0.20m/s
b)0.41m/s
c)0.10m/s
My Work :
And stops at the top => v=0 and h=5m so I'll use mgh.
Now power output = variation of energy/1
But average...
A 4.0kg block extends a spring 16cm from its unstretched position.The block is removed and a 0.50Kg body is hung from the same spring.If the spring is stretched and released,the period of oscillation is :
a)0.28s
b)0.02s
c)0.42s
My Work :
T = 2pi/w
T = 2pi*sqrt{Mass Totall/K}
I...
I thank you for the reply "JD88" ~ Just one question , do you have a website that tells what each brach of ME deals with ? Please .
I really appreciate your help .
Engineering for me is a passion to lead ~ I'm a 12 grader student looking to finish high school with a good performance , and start what I really think of ( Engineering ).
I'm excellent at Math , Physics and chemistry , infact math and physics are my Love . Their are two opinions I'm...