Aparticle is located on the x axis 4.9 m from the origin. a force of 38 n, directed 30° above the x axis in the x-y plane, acts on the particle. what is the torque about the origin on the particle? round your answer to the nearest whole number. use a minus sign to indicate a negative direction and no sign to indicate a positive direction.
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Physics, 22.06.2019 02:00
The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.
Answers: 2
Physics, 22.06.2019 12:30
Consider a 1000 w iron whose base plate is made of 0.5 cm thick aluminum alloy 2024-t6 (ρ = 2770 kg/m3 and cp = 875 j/kg°c). the base plate has a surface area of 0.03 m2. initially, the iron is in thermal equilibrium with the ambient air at 22°c. assuming 90% of the heat generated in the resistance wires is transferred to the plate, determine the minimum time needed for the plate temperature to reach 200°c.
Answers: 1
Aparticle is located on the x axis 4.9 m from the origin. a force of 38 n, directed 30° above the x...
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