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A series combination of a 9 k resistor and an unknown capacitor is connected to a 12 V battery. One second after the circuit is completed, the voltage across the capacitor is 8 V. Determine the capa
A parallel-plate air-filled capacitor having area 51 cm2 and plate spacing 4.0 mm is charged to a potential difference of 300 V. Find the following values. (a) the capacitance (b) the magnitude of the
An ideal diatomic gas, with rotation but no oscillation, undergoes an adiabatic compression. Its initial pressure and volume are 1.07 atm and 0.160 m3. Its final pressure is 2.53 atm. How much work
Two containers are at the same temperature. The first contains gas with pressure p1, molecular mass m1, and rms speed vrms1. The second contains gas with pressure 2.0p1, molecular mass m2, and avera
An Ideal monatomic gas undergoes a reversible expansion from specific volume, v(1), to specific volume, v(2). Calculate the change in entropy if the process is isothermal?
How much work is done (a) by the block on the spring and (b) by the spring on the block? (c) What is the value of h0? (d) If the block were released from height 2h0 above the spring, what would be t
A bicycle is racing around on a horizontal surface in a circle of radius 26 m. The force exerted by the road on the bicycle makes an angle of 25 degrees with the vertical. What is its speed? If the
An Ideal monatomic gas undergoes a reversible expansion from specific volume, v(1), to specific volume, v(2). Calculate the change in entropy if the expansion is isobaric.
What is the blood resistivity if a 8.6V potential difference causes a 230 uA current through the blood in the vein?
A parallel-plate capacitor has circular plates of 8.90 cm radius and 1.70 mm separation.What charge will appear on the plates if a potential difference of 122 V is applied?
When a current flows in an aluminum wire of diameter 4.35 mm, the drift speed of the conduction electrons is 2.57 × 10-4 m/s. What is the electron current in the wire? The conduction electron de
A 10.8nC charge is located at position (x,y)=(1.0cm,2.0 cm) a) At what (x,y) position is the electric field -225,000i N/C?
How far does the rocket travel in the horizontal direction in feet? What is the total flight time in minutes?
A projectile passes point A with a velocity v, upward. At some time later, the projectile passes point B, with a velocity v/2, upward. In terms of v and the acceleration due to gravity g, a.) how lo
An Airbus A320 (loaded weight = 170000 lbs) accelerates from rest to takeoff speed (181 mph) in only 0.86 minutes. How much force is necessary to accomplish this feat?
If a jet engine produces at takeoff a 100 dB sound 100 m from the aircraft, at what distance should the sound's intensity level be 80 dB? Assume that the sound is not reflected or absorbed by the su
A helicopter lifts a 74 kg astronaut 18 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/10. a) How much work is done on the astronaut by the force from the he
A particle is projected vertically upwards with a velocity of v0 in a constant gravitational field. The medium offers a resistive force proportional to the square of the instantaneous velocity of th
(a) What is the magnitude of the magnetic force acting on the particle? (b) Determine the magnitude of its charge.
The difference in mass between these species is too small to be detected. Both species are accelerated through the same electric potential difference, and both experience the same magnetic field, wh
The electric field within the capacitor has a value of 250 N/C, and each plate has an area of 8.6 × 10-4 m2. What is the magnitude of the magnetic force exerted on the positive plate of the ca
(a) Find the magnitude of the net magnetic force that acts on the particle. (b) Determine the angle that the net force makes with respect to the +x axis.
What are the magnitude and direction of the magnetic field causing the force? If the field is up, then enter a number greater than zero. If the field is down, then enter a number less than zero.
The canister initially has a velocity of 1.0 m/s in the positive x direction and some time later has a velocity of 3.0 m/s in the positive y direction. How much work is done on the canister by the 5
A) An electron in a hydrogen atom has orbital angular momentum 5 hbar. What is the smallest total angular momentum it can have? Give your answer in units of hbar. B) What is the highest total angula