1.Which focusing knob can be used with low power? A. Diaphragm
B. Inclination knob
C. High power objective
D. Fine adjustment knob

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Assume you measured the mass of the cart to be (500 ± 1) g and the mass of the additional mass you put on the cart to be (500 ± 1) g as well. since the scale you are using in the lab cannot measure objects heavier than 600g you will have to sum up individual pieces and propagate the error. so what would be the mass and the standard error of the cart and the mass

Which of the following statements correctly describes a transformer?

Which of the following occurs along coasts during the day?