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Consider the circuit shown in the figure to the right. (Assume R1 = 11.0 ohm, R2 = 2.20 ohm, and V = 7.00 V.)
a. Find the equivalent resistance of the circuit.
b. Find the potential difference across R1.
Your radio station needs a new coaxial cable to connect the transmitter and antenna. One possible cable consists of a 2.0mm diameter inner conductor and an outer conductor with diameter 1.6cm and negligible thickness (see the figure); the maximum saf..
A curve of radius 68m is banked for a designed speed of 110km/h. If the coefficient of the static friction is 0.34 (wet pavement), at what range of speeds can a car safely handle the curve? (Maximum and minimum speed)
A wrecking ball swings at the end of a 11.4-m cable on a verticalcircular arc. The crane operator manages to give the ball a speedof 12.0 m/s as the ball passes through the lowest point of itsswing and then gives the ball no further assistance.
An electron in Thomson's apparatus moves perpendicular to a B-field along a path of radius12.15 cm. If imposition of an E-field of 18.90 mkV makes the path straight, find B.
While admiring a tree, you notice that the leaves form a more or less continuous spherical shell, with relatively few leaves growing in the shell interior. You estimate that the diameter of this shell is about 30 m. Every leaf is about 5 in. long and..
A cardinal (Richmondena cardinalis) of mass 4.00×10?2 and a baseball of mass 0.141 have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's momentum?
A person walks 25 m north of east, then 35 m west and finally 60 m south. What direction is the person final position relative to where she started
Two point charges q1 = -3 nC and q2 = -27 nC are at x = 0 and x = 25 cm, respectively, and free to move. What is the sign of the third charge
A 5-nC charge is located at x = 5 cm and a charge of -6nC is located at x = -4 cm. Find the monopole moments
An object of mass 50.5 g is initially placed in boiling water so that it is at 101° C. Then the object is dropped into a calorimeter, Find the specific heat of the object
Two protons and and alpha particle are held at rest at the cornersof an equilateral triangle whose side length is8.00x10-10m. What is their total energy when they are far apart
An express subway train passes through an underground station. It enters at t = 0 with an initial velocity of 24.0 m/s and decelerates at a rate of 0.150 m/s2 as it goes through. How long is the nose of the train in the station
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