Differential Equation
find a general solution
dx/dy =[ -2x (csc 2y – 2x3 cos 2y)] / sec 2y
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Unanswered Posts
Shear and Moment in Frames
Ask ko lang po? Bat wala po kayong Shear and Moment in Frames?
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beam have parabolic charge distributed
Determine the equation of rotation Y' and deflection Y at the
free end of a cantilever beam AB supporting a parabolic load ?
air parabolic is 2/3(L*q)
plz help me
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Discrete Mathematics
What is the answer to the question If 5n+6 is odd then n is odd
using the contraposition/contrapositive.
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Need this badly today
turbine is rotating at a constant speed of 2,400rev/min. at what constant rate, in radians/s2, must its motion be retarted to bring it to rest;
a. In 20 mins.
b. In 300 revolutions
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Right triangle problem
Problem: Find h,x,y,z,ϴ,Φ, and β.
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First Order Differential Equation
find the general solution
2y ln y dx - x (1 + 2x ln y) dy = 0
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Normal shock wave
1. Consider a NSW with a downstream-upstream temperature ratio of 3.5 what is the mach number upstream and downstream of the shock? Show your solution.
2. The flow just upstream of a NSW is at SSLC and the mach number downstream is 0.6152 determine the pressure, temperature, density, velocity, and the total pressure and temperature. Show your solution
3. The mach number behind of a NSW is 0.4752
What is the mach number in front of the wave and the pressure ratio across the shock? Show your solution.
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Strength of Materials (Stresses in a truss)
Mga idol. Pwede pa turo pano to? Thanks in advance.
Problem 1
For a truss loaded as show, choose the lightest 2-angle sections to safely carry the maximum stress. The yielding stress of steel is 240 MPa. Use allowable compressive stress of 0.45 of the yielding stress and allowable tensile stress of 0.60 of the yielding stress. Assume that provision for buckling is provided.
F1 = 15 KN; F2 = 14 KN
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