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An airplane travels at speed of 125 m/s in calm air. The plane wants to undergo a change of displacement delta x= 183 km i. How lond will it take the plane to reach its destination
An iron wire with a diameter of 1.2 mm has a uniform electric field of 0.35 V/m imposed along its entire length. What is the current density in the wire
A capacitor with parallel circular plates of radius R is discharging via a current of 20.0 A. How much displacement current is encircled by the loop
A 2.16kg object attached to a spring moves without friction and is driven by an external force given by the expression F(t) = F0 sin(2Ï€t), find the period of the driven system when at reso
A small conductive rod of length 1.4 m moves with a constant velocity v=11 m/s in a direction parallel to a long wire carrying a current of 34 A. Calculate the electric potential induced across the
A person takes in a breath of 10!C air and holds it until it warms to 37.2!C. The air has an initial volume of 0.73 L, find the work done by the air on the lungs
The amount of 14C in an old, isolated sample of vegetation is 0.666 that expected from a present day sample with an equivalent carbon content
A converging lens with a focal length of 12.0 cm forms a virtual image 8.00 mm tall, 17.0 cm to the right of the lens. Determine the size of the object
The figure below shows a mercury barometer. Consider two barometers, one using mercury and another using an unknown liquid. estimate the density of the unknown liquid
The air-conditioning system of a department store is designed to maintain a pressure of 0.22 in. find the net force due to pressure on a rectangular display window
An antifreeze solution is made by mixing ethylene glycol (? = 1130 kg/m3) with water. determine the volume percentage of ethylene glycol in the solution
a person of mass Mp is standing in an elevator of Me suspended from the top of a building by a spring with spring constant k. what is the equilibrium constant of the spring
A cylindrical storage tank has a radius of 1.20 m. When filled to a height of 3.66 m, What is the density of the solvent
a mass m is attached to a string of length l and released when the string is horizontal, causing the mass to fall in a circular path. determine the maximum value of the tension force in the string
a skier of mass m is standing on a slope with an angle of elevation ø. After being given a tiny nudge, the skier slides down the slope, how much energy is lost while the skier slides do
A sample contains 3.5Ã-1019 radioactive atoms with a half life of 10000 years. How many atoms are expected to decay in the first second
The atronomer was studying the moon of jupiter called lo. He noticed that measurements taken in the spring when used to predict the position of lo in the fall were off by 18.177 minutes of time. det
Jeffery drills a very tiny hole in a sheet of brass. The hole is 0.001 inches in diameter. How large an Airy disk spot of red will form on a screen
Light enters a polarizing apparatus at an intensity of 100 units, Determine the angle of rotation theta
A horizontal force of 20 N pulls a block of mass 3.7 kg across a level floor. The coefficient of kinetic friction between the block, what is the final speed of the block
A solid sphere with a radius of 9.3 cm an mass of 373 g is allowed to roll 4.30 m without slipping down a 13.2 degree incline. What is the moment of inertia of the sphere
Consider the following circuit with emf = 12 V, C = 2 microF, L = 6 microH, and R = 6ohms. What is the value of the energy stored in the inductor
Young's experiment is performed with light of wavelength 502nm from excited helium atoms. What is the separation of the two slits
Coherent light from a sodium-vapor lamp is passed through a filter that blocks everything except for light of a single wavelength. compute the wavelength of the light that falls on the slits
A 0.10 m long solenoid has a radius of 0.05 m and 15000 turns. The current in the solenoid changes at a rate of 6.0 A/s. Determine the self-induced emf in the solenoid