Physics, 14.12.2019 03:31, FlowerChild5037
Ablock of mass m=5.20\; \mathrm{kg}m=5.20kg is being suspended at rest by an extended spring of spring constant k=36.0\; \mathrm{n/m}k=36.0n/m and an external force f=20.0\; \mathrm{n}f=20.0n downward. the spring is attached to the ceiling and has an extended length of s=2.45\; \mathrm{m}s=2.45m. what is the relaxed length s_0s 0 of the spring?
Answers: 3
Physics, 22.06.2019 12:20, ginachuquiano450
Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
Answers: 1
Physics, 22.06.2019 21:20, CM0
Abeverage can is made of 3004-h19 aluminum alloy (elastic modulus 69 gpa, tensile yield strength 285 mpa, density 2.72 g/cm^3). the dimensions on the can are approximated as a thin-walled cylinder with a height of 4.83 inches, diameter of 2.60 inches. empty the can has a mass of 14.2 g. determine: a. the wall thickness of the cylinder b. assuming a pinned-pinned condition what is the critical load? c. assuming a fixed-fixed condition what is the critical load?
Answers: 1
Ablock of mass m=5.20\; \mathrm{kg}m=5.20kg is being suspended at rest by an extended spring of spri...
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