December 2015

Hi All,
I looking for the formula for Deflection of Restrained rectangular Beams with partial uniformly distributed load.

Vimal

A rectangle ABCD, which measures 9 ft is folded once perpendicular to diagonal AC such that the opposite vertices A and C coincide. Find the length of the fold.

help me solve this problem please...

Pennsylvania Railroad found it necessary, owing to land slide upon the road bed, to reduce the angle of inclination of the bank of a certain railway cut near Pittsburgh, from an original angle of 45 to a new angle 30.the bank as it originally stood was 200 ft long and had a slant length of 60 ft. find the amount of the earth removed, if the top level of the bank remained unchanged..?
--kindly show the solution. thank you!

Paano po malalaman kung kailan i dederive yung sa Application ng maxima and minima, meron po kasing instances na sa una nag dederive na pero yung iba naman sinisimplify lang as in terms or y or x.

A boatman is at which is 4.51cm from the nearest point B on A straight shore. He wishes to reach in Minimum time a point C. Situated on the shore 9km from B. How far from C should He land if He can now at the rate of 6kph and walk at the rate of 7.5kph.

pls help me for this question .. thanks

The block of weight W is hang from a pin at A . The bars AB and AC are pinned to the support at B and C. The areas are
800mm^2 for AB and 400mm^2 for AC . Neglecting the weigth of the bars determine the maximum safe value of W if the
Stress in AB is limited to 110Mpa and that in AC to 120Mpa

A pile of creosoted poles contains 1275 poles in layers so that the top layer contains one pole and each lower layer contains one more pole than the layer above. How many layers are in the pile? ( SHOW YOUR SOLUTION PLEASE)