Fundamentals of Physics 9th. Edition by David Halliday, Robert Resnick, Jearl Walker | 9780470469118 | 0470469110 | Holooly

Fundamentals of Physics [EXP-2928]

383 SOLVED PROBLEMS

(a) Find an expression for the electric potential at a point P located on the perpendicular central axis of a uniformly charged ring of radius a and total charge Q.

Verified Answer:

Let us orient the ring so that its plane is perpen...

(a) Calculate the inductance of an air-core solenoid containing 300 turns if the length of the solenoid is 25.0 cm and its cross-sectional area is 100 cm^2

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Solution Using Equation 32.4, we obtain

L =...

(a) Calculate the resistance per unit length of a 22-gauge Nichrome wire, which has a radius of 0.321 mm.

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The cross-sectional area of this wire is

A=...

(a) Estimate your average acceleration as you drive up the entrance ramp to an interstate highway.

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This problem involves more than our usual amount o...

(a) Find the rest energy of a proton in electron volts

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E_{R} =m_{p} c^{2}=\left(1.67 \times 10^{-2...

(a) The 12-gauge copper wire in a typical residential building has a cross-sectional area of 3.31 × 10^—6 m^2. If it carries a current of 10.0 A, each copper atom contributes one free electron to the current. The density of copper is 8.95 g/cm^3. vd =I/n q A =10.0 C/ s/8.49 × 10^28m^-3)

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From Equation 27.17, we see that

\tau=\frac...

(a)Show that the center of mass of a rod of mass M and length L lies midway between its ends, assuming the rod has a uniform mass per unit length.

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The rod is shown aligned along the x axis in Figu...

(a)Under steady-state conditions, ﬁnd the unknown currents I1 , I2 , and I3 in the multi loop circuit shown in Figure 28.15.

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First note that because the capacitor represents a...

A 0.050 0-kg ingot of metal is heated to 200.0°C and then dropped into a beaker containing 0.400 kg of water initially at 20.0°C. If the ﬁnal equilibrium temperature of the mixed system is 22.4°C, ﬁnd the speciﬁc heat of the metal.

Verified Answer:

According to Equation 20.5 , we can write

m...

A 0.500-kg cube connected to a light spring for which the force constant is 20.0 N/m oscillates on a horizontal, frictionless track. (a) Calculate the total energy of the system and the maximum speed of the cube if the amplitude of the motion is 3.00 cm.

Verified Answer:

Using Equation 13.22, we obtain

E =K+U=\fr...

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