Physics, 25.03.2020 18:30 lifeislove3251
You are developing a continuous and oriented fiber reinforced composite. You need the material to have a modulus of elasticity in the longitudinal direction is 19.7 GPa and in the transverse it is 3.66 GPa. The volume fraction of fibers is 0.25 will be. Find the modulus of elasticity of the fibers and matrix that you should look for to meet these criteria.
Answers: 3
Physics, 21.06.2019 17:30
Abatter hits the baseball a with an initial velocity of v0 = 110 ft/sec directly toward fielder b at an angle of 23° to the horizontal; the initial position of the ball is 2.2 ft above ground level. fielder b requires 0.44 sec to judge where the ball should be caught and begins moving to that position with constant speed. because of great experience, fielder b chooses his running speed so that he arrives at the “catch position” simultaneously with the baseball. the catch position is the field location at which the ball altitude is 8.4 ft. determine the velocity of the ball relative to the fielder at the instant the catch is made.
Answers: 1
Physics, 22.06.2019 20:00
Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.
Answers: 2
You are developing a continuous and oriented fiber reinforced composite. You need the material to ha...
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