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The length of a hollow pipe closed at one end is 85.8 cm. There is a standing wave in the pipe with a wavelength of 26.4 cm. Which figure schematically represents this standing wave?
find the transformation matrix r that describes a rotation of 90 degrees about an axis from the origin through the
Obtain what energy is dissipated by a lightning bolt having a 18,000 Amp current, a voltage of 106 MV, and a time duration of 1.00 milliseconds
A sample of a material has 40000 radioactive particles in it today. Your grandfather measured 80000 radioactive particles in it 60 years ago. how many radioactive particles will the sample have
A 66.0 kg person throwsa 0.0400 kg snowball forwardwith a ground speed of 32.0 m/s. A second person, with a massof 59.0 kg, catches thesnowball. Both people are on skates. The first person is initiallymoving forward with a speed of2.00 m/s, and th..
q1. two crates of mass 57 and 164 are in contact and at rest on a horizontal surface. a 650 force is exerted on the
a horizontal rifle is fired at a bulls-eye. the muzzle speed of the bullet is 670 ms. the gun is pointed directly at
Two waves are described by the following wave functions y1(x,t) = 3.50 sin (2.00x ? 10.0t) y2(x,t) = 12.00 cos (2.00x ? 10.0t) , find the amplitude and phase of this sinusoidal wave
A hydrogen atom emits a photon of energy 3.4 eV. If the atom is at rest before emitting the photon, what is the speed of the atom after emission?
If a particular metal surface is hit by a photon of 4.3eV, and electron is ejected with the maximum velocity of 563,050 m/s. What is the work function of the metal, give answer in eV
Consider a fly trapped in a one-dimensional room, ie, the fly can fly in one dimension only. Two opposite walls of the room are 20m apart and the fly is on one of the walls. find the total distance the fly flies before it is squashed
A person pushes horizontally with a force of 210 N on a 53 kg crate to move it across a level floor. The coefficient of kinetic friction is 0.30. What is the magnitude of the frictional force
The length of a spring increases by6.9cm from its relaxed length when a mass of1.7kg is hanging in equilibrium from the spring. How much elastic potential energy is stored in the spring
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