variations
help me about this topic, thank you and godbless
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Unanswered Posts
Need help po
A constant horizontal force of 10 lb rests on a body of smooth horizontal plane. The body starts from rest and is observed to move 250 ft in 5s.
a). What is the mass of the body?
b). If the force ceases to act at the end of 5s, how far will the body move in the next 5s?
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A solid shaft made from copper is 90mm diameter and 8m long
A solid shaft made from copper is 90mm diameter and 8m long. If this shaft is joined to a 1.5m long solid steel shaft and 120mm diameter, estimate the maximum shear stress in each material and the total angle of twist of the entire shaft, if a torque of 20KN-m is applied to each end of shaft. GC=40GN/m2 G=90GN/m2
differential equation: Show that if f and f' are continuous on a ≤ x ≤ b then f and f' are linearly independent on a ≤ x ≤ b
Show that if f and f' are continuous on a ≤ x ≤ b and f(x) is not zero for all x on a ≤ x ≤ b,
then f and xf are linearly independent on a ≤ x ≤ b.
Stuck finding out the manual solution for finding x in this logarithmic equation
Good day,
I got stuck finding the manual solution for this problem without relying to the solve function of Casio calculator
The original equation was
[(1+x)40] -1 = (181205.95/3000)x
Then I tried using properties of logarithm and I simplified it to this equation:
[ln(181205.95/3000)]/40 = ln(1+x) - (1/40)[ln(x+3000/181205.95)]
0.102526 = ln(x+1) - 0.025ln(x+0.0165557)
Answer: x = 0.02
solve it
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Differential Equations
Help me with this please.
The topic is Additional Topics in Ordinary DE of the first order.
y(3x^3 -x +y)dx + x^2(1-x^2)dy =0
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thermo
A spherical container of negligible thickness holding a hot fluid at 1400
and having
an outer diameter of 0.4 m is insulated with three layers of each 50 mm thick
insulation of k1 = 0.02: k2 = 0.06 and k3 = 0.16 W/mK. (Starting from inside). The
outside surface temperature is 300C. Determine (i) the heat loss, and (ii) Interface
temperatures of insulating layers.
need explaination plss..
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kindly help; limit analysis
1434 (fl. singer 4th edition)
Determine the maximum torque that can be applied at 1.0 m from the right end of the shaft, without causing excessive rotation.
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bes 5
A wide flange section for a 5 meter long column ( hinged at both ends ) has the following properties :
Cross sectional area: 8,000 mm2
Radius of gyration, rx= 100mm
Radius gyration, ry= 50mm
Modulus of elasticity, E = 200,000 MPa
Determine the Euler critical load
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