superb awesome: a capacitor has the formula for its reactance as 1/(2*pie*frequency*capacitance).
according to this formula it blocks dc because dc has 0 frequency and allows ac because ac has some frequency.
but how does a capacitor physically perform this task,please reply.
beth: Circle– note..
Read the rest of this entry »Ap: this is the question:
A surveyor measures the distance between and bearing from point A to point B to be 322.52m and N64 10′E, respectively. Similar measurements between point BH and C are 265.31m and S11 06′W. How far apart are ponts A and C? Note: the bearing N20 30′E means 20 degrees and [...]
ABBY: Amber is trying to figure out the distance from her house to the store at the end of her block.
chose the closest estimate .
explain your answer
A.100cm B. 100dm C.100m C.100km
ABBY: Amber is trying to figure out the distance from her house to the store at the end of her block.
chose the closest estimate .
explain your answer
A.100cm B. 100dm C.100m C.100km
susanta p: plz tell how V-block restricts degrees of freedom of w/p on the m/c bed
Read the rest of this entry »krishnamuroor: I have to calculate the time required to bring the top surface (760mm x 600mm) of a steel bolck to 300 deg C by continuously heating the bottom surface (760mm x 600mm) to 300 deg C. The block is 60 mm thick and thermal conductivity of steel is 42 W/m-deg C. Radiation and convection [...]
Read the rest of this entry »fgfelan: There is block A prismatic unionto the frame, joined to a bar #3rvolute union, block B is joined at the end of bar #3 revolute and also to bar #5 revolute again with a prismatic unionto the frame, then bar#5 is joined revolute to block C prismatic to the frame.
Read the rest of this entry »let the light-shed ur blood: I want to build an especial kind of block( for home making purposes).But it puffs when it reaches near 1200 c.How can I prevent puffing without using a mold?
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