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A computer is reading data from a rotating CD-ROM. At a point that is 0.0256 m from the center of the disk, What is the centripetal acceleration at a point that is 0.0779 m from the center of the disc
A 1,699-kg satellite orbits the Earth in a circular orbit with a period of 6,016 s. How high above the Earth's surface is the satellite's orbit
Why have so many jurisdictions turned to forms of ADR to supplement the judicial process and what are the major effects on caseflow management of the decision by jurisdictions to insert ADR requireme
A current of 15.0 mA is maintained in a single circular loop with a circumference of 3.30 m. find the magnitude of the torque exerted by the magnetic field on the loop
Sodium ions (Na+) move at 0.860 m/s through a bloodstream in the arm of a person standing near a large magnet. what would be the magnetic force on the arm
The magnetic field of the earth at a certain location is directed vertically downward and has a magnitude of 50.0 µT. FIND magnitude of the magnetic force the field exerts on the proton
I lift a 3 kg rock up and place it on a table 2 meters above the ground. How much gravitational potential energy does the rock have
The density of water is 1.0 x 10^3 kg/m3. Calculate the gauge pressure in the pipe at this location.
An inclined plane with friction, a massless/frictionless pulley, and two blocks, with m1 hanging and m2 resting on the plane. How do you find the acceleration
One can not align the apparatus to eliminate entirely the effects of the Earth's magnetic field. calculate the component of the earth magnetic field perpendicular to the entering electron beam
You are given a pair of Hemholtz coils, each with radius R = 12 cm, containing 140 turns of wire in each coil. Calculate the magnetic field produced in the center of the space between the coils
Calculate the total time for car A to travel the 15.0 m and after the collision, car B moves to the right at a speed of 4.8 m/s. Calculate the velocity of car A after the collision.
In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 56 m/s (around 130 mi/h) in a time of 7.2 s
A boat has a mass of 6800 kg. Its engines generate a drive force of 4050 N, due west, while the wind exerts a force of 860 N, What is the magnitude and direction of the boat's acceleration
A circular solenoid contains 100.0 turns of wire and carries a current of 2.0 amps. Calculate the magnetic flux through one turn of the wire
you and a friend pull on two ropes to dock a satellite whose mass is 1300 kg. The satellite is initially at position < 3.7, -1.2, 3.2 > m, How much work did your friend do
It costs 2.5 cents to charge a car battery at a voltage of 12 V and a current of 13 A for 120 minutes. What is the cost of electrical energy per kilowatt-hour
A 5.80uFparallel-plate air capacitor has a plate separation of 4.00mmand is charged to a potential difference of 400V. Calculate the energy density in the region between the plates
Ultrasound with a frequency of 4.288 MHz can be used to produce images of the human body. what is the wavelength in the body
A mass spring system had k= 55.6 N/m and m=0.41 kg. Find the frequency of its simple harmonic motion
Sound with a frequency of 431 Hz travels through steel. A wavelength of 11.27 m is measured. determine the speed of the sound in steel
A wire 6.70m long with diameter of 2.10mm has a resistance of 0.0250 ohm. Find the resistivity of the material of the wire
Consider an RC circuit with E = 12.0, R= 195 ohms, and C = 55.8 micro farrads. Find the initial current in the circuit
A 0.145-kg baseball pitched horizontally at 27 m/s strikes a bat and is popped straight up to a height of 25 m. calculate the average force [exerted by the bat on the ball] during contact
An amusement ride consists of a car moving in a vertical circle on the end of a rigid boom. The radius of the circle is 32 meters. What is the force of the boom on the car