Physics, 09.09.2019 22:30 kendricklamar29
You are an industrial engineer with a shipping company. as part of the package- handling system, a small box with mass 1.60 kg is placed against a light spring that is compressed 0.280 m. the spring has force constant 48.0 n/m . the spring and box are released from rest, and the box travels along a horizontal surface for which the coefficient of kinetic friction with the box is μk = 0.300. when the box has traveled 0.280 m and the spring has reached its equilibrium length, the box loses contact with the spring. (a) what is the speed of the box at the instant when it leaves the spring? (b) what is the maximum speed of the box during its motion?
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How much force must a locomotive exert on a 12840-kg boxcar to make it accelerate forward at 0.490 m/s2?
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A5 foot by 5 foot box culvert is buried 6 feet beneath the surface of the ground. a crosssection of this very long culvert (into and out of the page) is illustrated below. assume that the soil in which the culvert is buried has the following properties: jt = 120 pcf, w = 12%, ko = 0.50, ka = 0.33, and kp = 3.00. calculate the total horizontal force per unit length of culvert (fh) felt on one of the vertical faces of the culvert.
Answers: 1
You are an industrial engineer with a shipping company. as part of the package- handling system, a s...
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