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A sinusoidal transverse wave travels along a long stretched string. The amplitude of this wave is 0.0827 m, its frequency is 2.31 Hz, and its wavelength is 1.75 m.
(a) What is the shortest transverse distance between a maximum and a minimum of the wave?
(b) How much time is required for 70.3 cycles of the wave to pass a stationary observer?
(c) Viewing the whole wave at any instant, how many cycles are there in a 38.7-m length of string?
Eight identical, non-interacting particles are placed in a cubical box of sides L = 0.2 nm. Find the lowest energy of the system (in electron volts) and list the quantum numbers of all occupied states if (a) particles are electrons and (b) particles..
The total force on a one foot wide section of the inclined portion of the wall and the location and line of action of the resultant force.
A sailboat leaves a harbor and sails 1.80 km in the direction 65 degrees sounth of east, the boath then sails 1.1 km in the direction 15 degrees north of east. the trip takes 15 minutes. what is the magnitude and direction.
An electron is at rest just above the surface of a sphere with the radius of 1.90 mm and a uniformly distributed positive charge of 2.1 x10-15 C.
If the boy is traveling at 1 m/s relative to the ground, explain how fast does the boy appear to be moving relative to the woman? show your work.
find the period of this oscillation.
determine the largest angle MAX that the crutch can have just before it begins to slip on the floor.
The magnitude of F is 306 newtons and it points at 93o measured counter clockwise from the positive x-axis. What is the y component (in newtons) of F.
Two loudspeakers are placed 3-m apart. They emit 498 Hz sounds, in phase. A microphone is placed 3.2m distant from a point midway between the two speakers, where an intensity highest is recorded.
A turntable that spins at a constant 80 rpm takes 3.70s to reach this angular speed after it is turned on. Find its angular acceleration (in rad/s^{2}), suppose it to be constant, and the number of degrees it turns through while speeding up.
A ball with a mass of 0.75 kg is thrown vertically into the air with an initial velocity of 10 m/s. establish the velocity of the ball when it hits the ground if it was initially released 2.0 m above the ground.
How fast should a car move toward you for the car's horn to sound 2.88% higher in frequency than as the car is stationary? The speed of sound is 343 m/s.
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