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A laminate of undisclosed configuration subjected to undisclosed load has a reported first ply failure (FPF) strength ratio R = 0.5. Note: the material, laminate stacking sequence, and the loads are not known.
(a) How much does the load need to be increased/decreased to avoid first ply failure, assuming all components are increased/decreased proportionally?
(b) or, How much does the thickness of the laminate need to be increased/decreased to avoid first ply failure, assuming all laminae thicknesses are increased/decreased proportionally?
(c) or, How much does the strength of the material need to be increased/decreased to avoid first ply failure, assuming all strength components are increased/decreased proportionally?
A 2.20 kg object is suspended from a spring with k = 18.00 N/m. The mass is pulled 0.35 m downward from its equilibrium position and allowed to oscillate. What is the highest kinetic energy of object.
For a central charge Ze. obtain an expression for the radius r,, of the nth muonic orbit. Express this as a multiple of the radius 0,, of the ?rst Bohr (electron) orbit in hydrogen.
The school bus picks up Brian in front of his house and takes him on a straight-line 3.6 km bus ride to school in the positive direction. He walks home after school. If the front of Brian's house is the origin.
At what height above the surface of the earth does the balloon have a speed of 7-m/s.
The magnitudes of the four displacement vectors shown in the drawing are A = 15.0 m, B = 10.0 m, C =14.0 m, and D = 25.0 m. Determine the (a)magnitude and (b) direction for the resultant that occurs when these vectors are added together.
If the atmospheric pressure is 1.1Af-10 raise to the power 5 Pa, the corresponding downward force on the top of a horizontal square areas 6cm on each side is approximately. show calculation.
A point charge of +7.5μ C is located 0.35 m from a second point charge of -7.9μ C. What is the absolute magnitude of the force
q1. a meterstick is at rest in an inertial frame s2. if s2 moves with a speed of 0.7c with respect to a rest frame s1
A hiker walks 3 km south, then 2 km west. What is the hiker's total displacement, using component method of addition
an experimenter adds 970 j of heat to 1.75 mol of an ideal gas to heat it from 10.0c to 25.0c at a constant pressure.
A shell is fired from a gun with a muzzle velocity of 25 m/s, at an angle of 60° with the horizontal. How far from the gun does the other fragment land
A bale of hay of mass 15.0 kilogram is pulled at a constant velocity across a barn floor by a hook that pulls at an angle of 30o with the horizontal with a force of 30.0 Newton, Find the normal force of the floor on the hay bale
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