What is the self-inductance of a solenoid 30.0 cm long having 100 turns of wire and a cross-sectional area of 1.00 × 10-4 m2? (?0 = 4? × 10-7 T ? m/
A)
A) 4.19 nH
B) 4.19 pH
C) 4.19 µH
D) 4.19 mH
E) 4.19 H
C
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The velocity of a particle (m = 10 mg, q = ?4.0 ?C) at t = 0 is 20 m/s in the positive x direction. If the particle moves in a uniform electric field of 20 N/C in the positive x direction, what is the particle's speed at t = 5.0 s?
a. 60 m/s b. 20 m/s c. 45 m/s d. 40 m/s e. 70 m/s
Addition by 1. Components: Three vectors, src="https://sciemce.com/media/4/ppg__cp1pbb0313192044__f15g1q37g6.jpg" style="vertical-align: -5.0px;" />?-5.50 m2.50 m
A. 5.50 m
B. 13.0 m
C. 11.1 m
D. 7.00 m
E. 2.00 m
, 
, and 
, have the components shown in the table. What is the magnitude of the resultant of these three vectors??x componenty component
?3.50 m-4.50 m
?2.00 m0.00 m
Consider a solid sphere of radius R and mass M rolling without slipping. Which form of kinetic energy is larger, translational or rotational?
A) Translational kinetic energy is larger. B) Rotational kinetic energy is larger. C) Both are equal. D) You need to know the speed of the sphere to tell. E) You need to know the acceleration of the sphere to tell.
A standard exam page is 8.5 inches by 11 inches. An exam that is 2.0 mm thick has a volume of
A. 1.9 × 104 mm3. B. 4.7 × 104 mm3. C. 1.2 × 105 mm3. D. 3.1 × 105 mm3. E. 3.1 × 103 mm3.