Inductive reactance XL is given by
A.
B.
C.
.D.
E.
Answer: A
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One difference between the near and far sides of the moon is that ________.
A. the far side has no maria B. the far side is almost all rough terrain C. the far side is more heavily cratered D. the far side's crust is mostly anorthosite E. All of these choices are correct.
A hunter fires a bullet from a horizontally—held rifle while simultaneously dropping another bullet from the side of the rifle. The bullet to hit the ground first is
A) the dropped one. B) the fired one. C) both hit at the same time
A ball rolls over the edge of a table with a horizontal velocity v m/s. The height of the table is 1.6 m and the horizontal range of the ball from the base of the table is 20 m. How long does it take for the ball to hit the ground?
A) 0.29 s B) 0.57 s C) 1.14 s D) 2.0 s E) 9.8 s
A brass rod with a length of 20.0 cm is placed side by side with an aluminum rod with a length of 20.0 cm and this system is placed between a hot temperature of 150
and a cold temperature of -10.0
The coefficient of thermal conductivities of the brass and the aluminum are 100 W/m 
and 230 W/m C respectively. The rods have the same cross sectional area of 20.0 cm2. What is the heat flow from the hot temperature to the cold temperature?
A. 683 W B. 528 W C. 52.8 W D. 68.3 W