Physics, 20.12.2019 19:31 Xavitheking2542
Asteel rod with a length of l = 1.55 m and a cross section of a = 4.45 cm2 is held fixed at the end points of the rod. what is the size of the force developing inside the steel rod when its temperature is raised by ∆t = 37.0 k? the coefficient of linear expansion for steel is α = 1.17×10-5 1/k, and the young modulus of steel is e = 200.0 gpa.
Answers: 3
Physics, 22.06.2019 12:30
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 2
Physics, 22.06.2019 17:40
The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
Answers: 3
Physics, 23.06.2019 11:30
He acceleration due to gravity on the surface of mars is about one third the acceleration due to gravity on earth’s surface. the weight of a space probe on the surface of mars is about
Answers: 1
Asteel rod with a length of l = 1.55 m and a cross section of a = 4.45 cm2 is held fixed at the end...
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