Answers: 1
Physics, 22.06.2019 21:00, thanitoast84
Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine
Answers: 2
Physics, 23.06.2019 02:40, smack2045
An air standard cycle with variable specific heats is executed in a closed system and is composed of the following four processes. 1-2 isentropic compression 100 kpa and 22°c to 600 kpa 2-3 v=constant heat addition to 1500 k 3-4 isentropic expansion to 100 kpa 4-1 p=constant heat rejection to initial state (a) show the cycle on p-v and t-s s (b) calculate the net work output per unit mass (409 kj/kg) (c) determine the thermal efficiency (47.9%)
Answers: 1
Physics, 23.06.2019 08:00, bakerj5203
Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano. the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? a. positive force, balanced force, negative force b. negative force, balanced force, positive force c. positive force, unbalanced force, negative force d. negative force, unbalanced force, positive force
Answers: 1
Consider the addition of an electron to the following atoms from the fourth period. rank the atoms i...
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