Physics Waves And Oscillations Level: High School
At t = 0 , a transverse wave pulse in a wire is described by the friction .y(x,t = 0) = 6/ (x^2+ 3)
Where x and y are in meters , The pulse is traveling in the positive x direction with a speed of 4.5 m/s . Which formula correctly describes the pulse at time t ?1) y = 4.5t + 6 / x^2 + 3
2) y = 4.5t+ [ 6/ x^2 + 3]
3) y = 6 / [(x + 4.5 t)^2 + 3 ]
4) y = 6 / [(x - 4.5 t)^2 + 3 ]
5) y= -4.5t +6 / (x^2+3)
6)y=6-4.5t/x^2+3
Physics Waves And Oscillations Level: High School
The distance between two successive maxima of a certain transverse wave is 1.49 m . Eight crests , or maxima , pass a given point along the direction of travel every 14.7 s . Calculate the wave speed . Answer in units of m/s .
Physics Waves And Oscillations Level: High School
A ocean wave has a length of 11.9 m . A wave passes a fixed location every 2.2 s . What is the speed of the wave ? Answer in units of m/s .
Physics Waves And Oscillations Level: High School
Which of the following wave functions is a solutions to the linear wave equation ?1) y = exp (bx – vt)
2) y = exp (vx – t)
3) y = exp (vx – vt)
4) y = sin (vx – vt)
5) y = sin (bx – vt)
6) y = exp [b(x+ vt)]
Question Diagram
Physics Waves And Oscillations Level: High School
Which of the following wave functions is a solutions to the linear wave equation ?1) y = exp (bx – vt)
2) y = exp (vx – t)
3) y = exp (vx – vt)
4) y = sin (vx – vt)
5) y = sin (bx – vt)
6) y = exp [b(x+ vt)]
Physics Waves And Oscillations Level: High School
A light string with a mass per unit length of 9.00 g/m has its end tied to two walls separated by a distance equal to three-fourths the length of the string(see the figure at “click here” . An object of mass m is suspended from the center of the string, putting a tension in the string .a) Find the expression for the transverse wave speed in the string as a function of the mass of the hanging object . (Answer interns of the mass m . )
Physics Waves And Oscillations Level: High School
A sinusoidal sound wave is described by the following displacement wave function .a) Determine the instantaneous displacement from the equilibrium of the elements of air at the position x =0.0508 m at t = 3.05 ms .
b) Determine the maximum speed of a element’s oscillatory motion. (Note : Use the following values as needed , unless otherwise specified . The equilibrium density of air is p = 1.20 kg /m^3 , the speed of sound in air is v = 343 m/s . Pressure variation delta P are measured relative to atmospheric pressure 1.013 x 10^5 Pa).
Physics Waves And Oscillations Level: High School
A vacuum cleaner produces sound with a measured sound level of 62.0 dB .a) What is the intensity of this sound ?
b) What is the pressure amplitude of the sound ?
Physics Waves And Oscillations Level: High School
A plane can fly at Mach 1.38 , which means the speed of the plane is 1.38 times the speed of sound in air ,What is the angle between the directing of propagation of the shock wave and the direction of the plane’s velocity ?
Physics Waves And Oscillations Level: High School
The security alarm on a parked car goes off and produces a frequency of 958 Hz .The speed of sound is 343 m/s . As you drive toward this parked car , pass it , and drive away , you observe the frequency to change by 91 Hz .At what speed are you driving ?
Physics Waves And Oscillations Level: High School
A vibrator moves one end of a rope up and down to generate a wave . The tension in the rope is 56 N . The frequency is then doubled . To what value must the tension be adjusted , so the new wave has the same wavelength as the old one ?
Physics Waves And Oscillations Level: High School
In the equation E = hf , the f stands for .a) frequency characteristic of quantum phenomenon .
b) the smaller wavelengths of visible light .
c) wave frequency .
d) none of these .
Physics Waves And Oscillations Level: High School
On a day when the wind is blowing 39.5 km/hr from east to west , a fire engine is headed toward you from the west at 105 km/hr and you are headare headed toward the fire engine at 92.4 km/hr. If the engine has a 1460 Hz siren and the speed of sound is 340 m/s , What frequency do you hear ? Answer in units of Hz .
Physics Waves And Oscillations Level: High School
An ambulance is traveling North at 60.7 m/s , approaching a car that is also traveling North at 30.6 m/s . The ambulance driver hears his siren at a frequency of 959 cycles / s . At what frequency does the driver of the car hear the siren ? Answer in units of m .
Physics Waves And Oscillations Level: High School
Earthquakes produce two kinds of seismic waves : The longitudinal primary waves (called P waves) and transverse secondary waves (called S waves) . Both S waves and P waves travel through Earth’s crust and mantle , but at different speeds : the P waves are faster than S waves , but their exact speed depend on depth and location . Assume the P waves speed to be vp = 8580 m/s while the S waves travel at a slower speed of vs = 5570 m/s . Suppose a seismic station detects a P wave and then ^t = 93.5 s later detects an S wave . How far away is the earthquake center ? Answer in units of km .