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An archer pulls her bowstring back 0.360 m by exerting a force that increases uniformly from zero to 230 N
(a) What is the equivalent spring constant of the bow? (N/m)(b) How much work does the archer do in pulling the bow? (J)
Consider a system of three noninteracting identical bosons that moves in a common external one-demention harmonic oscillator potential. Find the energy level and wave functions of the ground state, the first state, and the second state of the system.
A point charge is accelerated from rest through a potential difference of 150 V and gains a speed v initial. What speed (in terms of v initial ) would it gain if it were accelerated through 280 V instead
A Ferris wheel with radius 38m is driven by a motor that exerts a force on the wheel 1m from the center. find the normal force at the bottom of the wheel's trajectory
The brakes of a truck cause it to slow down by applying a retarding force of 7350 N to the truck over a distance of 1090 m. What is the work done by this force on the truck
A dampled harmonic oscillator is made from a 0.8kg mass on a k=14N/m spring with a damping constant of 400g/s, What is the energy of the oscillator after one oscillation
The electric field midway between two equal but opposite point charges is 672N/C , What is the magnitude of the charge on each
Automobile windshield wipers can be used intermittently during rainfall. what determines the length of the intervals when the wiper is on and when it is off
Find the speed of an orbiter in a circular orbit that is just above the surface of a planet, given that the orbiter's acceleration is equal to the planet's gravitational acceleration of 2.36 m/s2
A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 12 A, find the power consumed by the vacuum cleaner
An electromagnet is made by inserting a soft iron core into a solenoid. What is the relative permeability KB of the iron core
Calculate, using Newton's law of gravity, the magnitude of the force of attraction between the Earth and a mass of 16.000 kg on the Earth's surface
What is the torque on the root of the tooth about point A.
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