What is the magnitude of the current in the 20-? resistor?
A. 0.75 A
B. 0.00 A
C. 0.25 A
D. 0.50 A
E. 1.00 A
Answer: D
You might also like to view...
The elements in the periodic table which have a single outer s electron are referred to as
A) noble gases. B) halogens. C) alkali metals. D) transition elements. E) none of the above.
Suppose a ball is dropped from shoulder height, falls, makes a perfectly elastic collision with the floor, and rebounds to shoulder height. Compare the magnitudes of the impulses delivered to the ball by gravity and by the floor during this entire motion.
A. The floor delivers an upward impulse, but gravity does not deliver a total impulse B. The two impulses have the same magnitude C. The impulse delivered by the floor is half as large as the impulse delivered by gravity D. The impulse delivered by the floor is twice as large as the impulse delivered by gravity
HII regions are found near stars cooler than 25,000 K because large amounts of ultraviolet photons would totally destroy the hydrogen atoms in the gas
Indicate whether the statement is true or false
Acceleration: The captain orders his starship to accelerate from rest at a rate of "1 g" (1 g = 9.8 m/s2). How many days does it take the starship to reach 10% the speed of light? (Light travels at 3.0 × 108 m/s.)
Fill in the blank(s) with the appropriate word(s).