An inductor and a resistor are connected in series across an AC generator as in Figure OQ33.1. Immediately after the switch is closed, which of the following statements is true?
3
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What are the advantages and disadvantages of using explicit and implicit difference equations?
EXPLAIN (a) Advantages and disadvantages of explicit and implicit methods
Ekapluto is an unknown planet that has two spherical moons in circular orbits. The table summarizes the hypothetical data about the moons. Both moons have low axial spin rates. (G = 6.67 × 10-11 N ? m2/kg2)
Mass Radius Orbital radius Orbital period Moon A 4.0 × 1020 kg 2.0 × 108 m 4.0 × 106 s Moon B 1.5 × 1020 kg 2.0 × 105 m 3.0 × 108 m The acceleration due to gravity at the surface of Moon B is A) 0.10 m/s2. B) 0.15 m/s2. C) 0.20 m/s2. D) 0.25 m/s2. E) 0.30 m/s2.
The formula mass of sulfuric acid, H2SO4, is
a. 98 u. b. 100 u. c. 66 u. d. 7 u.
On a position-time graph, the slope of the straight line joining two points on the plotted curve that are separated in time by the interval Dt, is which of the following quantities?
a. average steepness c. instantaneous velocity b. average velocity d. average acceleration