Engineering, 23.06.2021 01:40 luisanavarrogarcia
De acordo com IDEB ( Índice de Desenvolvimento da Educação Básica), ao final do Ensino Fundamental, o percentual de alunos com conhecimento considerado adequado é de apenas 17% no caso de Matemática e de 27% em Língua Portuguesa. Supondo que essa pesquisa foi realizada com uma amostra de 20.500 estudantes, pode-se afirmar que:
Answers: 2
Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 04.07.2019 16:10
The force on a cutting tool are 2600n vertically downward and 2100 horizontal. determine the resultant force acting on the tool and the angle at which it acts.
Answers: 1
Engineering, 04.07.2019 18:10
Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.
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Engineering, 04.07.2019 18:20
Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent
Answers: 2
De acordo com IDEB ( Índice de Desenvolvimento da Educação Básica), ao final do Ensino Fundamental,...
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