A 2000 kg car is traveling on a banked curved icy road without sliding. The velocity of the car is 32.0 m/s and the road is banked at an angle of 20.0 degrees. The radius of curvature of the road is
A. 125 m.
B. 210 m.
C. 287 m.
D. 310 m.
E. 350 m.
C. 287 m.
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An atomic nucleus has a size of about
A) 10-6 meters. B) 10-15 meters. C) 10-12 meters. D) 10-9 meters.
The gravitational force, the electromagnetic force, and the strong nuclear force are ______ range,_______ range, and _______ range, respectively.
A. short, long, long B. short, short, long C. short, short, short D. long, short, short E. long, long, short
The graphs below show the phasors ?Vmax and Imax for five RLC series circuits. The solid arrows represent the voltage phasors, ?V, and the dashed arrows represent the current phasors, Imax. Which graph represents a circuit where the capacitive reactance is greater than the inductive reactance?
A.
B.
C.
D.
E.
A parallel-plate capacitor has plates of area 0.20 m2 separated by a distance of 1.0 mm. What is the strength of the electric field between these plates when this capacitor is connected to a 6.0 V battery?
A) 3.0 kN/C B) 1.2 kN/C C) 6.0 N/mC D) 12. N/C E) 6.0 N/C