Physics, 25.02.2020 19:43 carlosthenoob03
Two forces, F⃗ 1F→1F_1_vec and F⃗ 2F→2F_2_vec, act at a point, F⃗ 1F→1F_1_vec has a magnitude of 8.80 NN and is directed at an angle of ααalpha = 56.0 ∘∘ above the negative x axis in the second quadrant. F⃗ 2F→2F_2_vec has a magnitude of 7.00 NN and is directed at an angle of ββbeta = 52.8 ∘∘ below the negative x axis in the third quadrant. A. What is the x component FxFxF_x of the resultant force?B. What is the y component FyFyF_y of the resultant force?C. What is the magnitude FFF of the resultant force?D. What is the angle γγgamma that the resultant force forms with the negative x axis? In this problem, assume that positive angles are measured clockwise from the negative xx axis.
Answers: 1
Physics, 21.06.2019 16:00
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
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Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.
Answers: 1
Two forces, F⃗ 1F→1F_1_vec and F⃗ 2F→2F_2_vec, act at a point, F⃗ 1F→1F_1_vec has a magnitude of 8.8...
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