Chemistry, 17.07.2021 14:00, crystalxolotp4q3la
In a machine, the radius of wheel is 0.8m and that of its axle is 0.83m. the machine is used to lift a 230N load with an applied force of 30N. Calculate the mechanical advantage and efficiency of the machine
Answers: 2
Chemistry, 22.06.2019 02:00, webbhlharryteach
In which of these cases are the two wave points considered to be in phase with each other?
Answers: 1
Chemistry, 22.06.2019 20:20, Matseleng3775
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
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