Arectangular sign over a store has a weight of 250 lb, with the center of gravity in the center of the rectangle. the support against the wall at point c may be treated as a ball-and-socket joint. at corner d support is provided in the y-direction only. calculate the tensions t1 and t2 in the supporting wires, the total force supported at c, and the lateral force r supported at d.
Answers: 3
Physics, 21.06.2019 19:00, dasiaflowers85
When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.
Answers: 3
Physics, 22.06.2019 04:20, gonzalesalexiaouv1bg
When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.
Answers: 1
Physics, 22.06.2019 10:30, janeou17xn
Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.
Answers: 2
Arectangular sign over a store has a weight of 250 lb, with the center of gravity in the center of t...
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