What is the self-inductance of an ideal solenoid that is 300 cm long with a cross-sectional area of 1.00 × 10-4 m2 and has 1000 turns of wire? (?0 = 4? × 10-7 T ? m/
A)
A) 4.19 nH
B) 4.19 pH
C) 4.19 ?H
D) 41.9 nH
E) 41.9 µH
E
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A car starts from rest and accelerates at 6.00 m/s2. How far does it travel in 3.00 s?
A) 9.00 m B) 18.0 m C) 27.0 m D) 36.0 m E) 54.0 m
What does this photo show?
A) an interstellar cloud that will ultimately give birth to thousands of star systems B) an interstellar cloud that probably looks almost identical to the way the solar nebula looked about 4.5 billion years ago C) stars viewed through the atmosphere of Venus D) a galaxy much like our Milky Way Galaxy
To get to her physics class, Alice walks 0.25 mi to the bus stop. She takes the bus 1.2 mi to the train station. She takes the train 13 mi and walks the remaining 0.17 mi to her class
How far is her commute expressed to the correct number of significant figures? A) 14.6 mi B) 10 mi C) 15 mi D) 14.62 mi E) 14.620 mi
An open freight car rolls friction free along a horizontal track in a pouring rain that falls vertically. As water accumulates in the car, the car's speed
A) increases. B) decreases. C) doesn't change. D) need more information