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a) Assuming the speed of sound is still 343 m/s, how long should a closed-end organ pipe be if it is to have a fundamental frequency of 294 Hz?
b) What is the frequency of the first overtone (second harmonic) for this closed-end pipe?
A neutron star is the remnant left after certain supernovae (explosions of giant stars). What is a typical neutron star density
A cylindrical storage tank has a radius of 1.20 m. When filled to a height of 3.66 m, What is the density of the solvent
Suppose two highly precise, identical clocks are synchronized and one clock is placed on the North Pole and the other on the equator. how much will the clocks differ in time
A sprinter with a mass of 80kg accelerates from 0 m/s to 9 m/s in 3 sec. What is the net force of the runner
A car heading north collides at an intersection with a truck heading east. how fast was the car initially traveling
Calculate the change in the amount of bremsstrahlung that would be produced if an aluminum target were substituted for an iron target.
When cars are equipped with flexible bumpers, they will bounce off each other during low-speed collisions, thus causing less damage. In one such accident, a 1850car traveling to the right at 1.40 collides with a 1400 car going to the left at 1.10 ..
White light is incident on a soap film (n = 1.30) in air. The reflected light looks bluish because the red light (? = 695 nm) is absent in the reflection, What is the minimum thickness of the soap film
a car with a mass of 2000 kg is traveling at 20 m/s. how much kenetic energy in joules does the car have? how much heat must be dissipated to stop the car
A dump truck, with a mass of 2030 kg, moves at a constant speed 2.23 m/s along a horizontal track. What is the truck's speed after the loading is completed
an electron is released from rest at a distance of 0.500m from a large insulating sheet of charge that has uniform
A wheel is spinning at 89 rad/s. Itundergoes an angular acceleration of 13rad/s2 until it reaches an angular velocity of243 rad/s. Determine how many revolutions it made while spinning up
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