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A string on a guitar is stretched between two points 30 centimeter apart with a tension of 100 Newton. The mass/length of the string is 0.00300 kg/m. Find the velocity of wave propagation on the string?
Consider a fluorescent molecule where the electron that participates in fluorescence has ground state energy of -4.6 eV. what wavelength photon is given off
compressive strength of our bones is important in everyday life. youngs modulus for bone is about 1.41010 pa. bone can
A golfer drives her ball from the tee down the fairway in a high arcing shot. When the ball is at the highest point of its flight and why ?
An inductor in the form of a solenoid contains 380 turns and is 14.4 cm in length. What is the radius of the solenoid
A researcher would like to perform an experiment in a zero magnetic field, which means that the field of the earth must be cancelled. Suppose the experiment is done inside a solenoid of diameter 1.2 , length 3.0 , with a total of 9000 turns of wir..
In the figure below, two parallel-plate capacitors A and B are connected in parallel across a 600 V battery. Each plate has area 70.0 cm2; the plate separations are 3.30mm, Find the magnitude of the electric field within the dielectric of capacitor..
at time t0 a 2450 kg rocket in outer space fires an engine that exerts an increasing force on it in the x-direction.
A light beam traveling in the negative z direction has a magnetic field B=(3.02 x 10-9T) x + (-5.28 x 10-9T) y at a given instant of time. The electric field in the beam has a magnitude of1.82 N/C at the same time.
Pushing on the pump of a soap dispenser compresses a small spring. When the spring is compressed 0.50 cm, its potential energy is 0.0025 J. What is the force constant of the spring?
You are standing on a scale inside an elevator. The scale reads 23 percent less than your weight. obtain the acceleration of the elevator
The density of water is 1000kg/m^3 or 8.33lbm/gallon, the mass flow rate is 494838.83 kg/s and goes through a turbine generator that has 0.80 efficiency
q1. on a very muddy football field a 110kg linebacker tackles an 85kg halfback. immediately before the collision
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