Physics, 26.02.2020 22:43, kristine2424
On a day that the temperature is 20. 0"�, a concrete walk is poured in such a way that the ends of the walk are unable to move. Take Young’s modulus for concrete to be 7.00 × 102 �/m2 and the compressive strength to be 2.00x109 N/m2 . (a) What is the stress in the cement on a hot day of 50. 0"�? (b) Does the concrete fracture? (4%)
Answers: 1
Physics, 22.06.2019 05:30, mayaduke9482
Will give brainliest! which statement best describes the similarities between fundamental forces? electromagnetic and strong nuclear forces influence the interaction between charged particles within an atom. gravitational and magnetic forces are both types of charges that occur in nature. nuclear and magnetic forces are both related to mass and weight. strong nuclear force is most like electrical force because they are both related to distance.
Answers: 3
Physics, 22.06.2019 15:30, haileyjones732
Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
Answers: 1
Physics, 23.06.2019 00:00, alexandria3498
Three resistors are connected in series across a 15-v power supply. if the potential drops across resistors 1 and 2 are 4.1 volts and 3.1 volts, what is the exact potential drop (in volts) across resistor 3?
Answers: 2
On a day that the temperature is 20. 0"�, a concrete walk is poured in such a way that the ends of t...
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