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Question: Do you need to know the mass of an individual molecule in order to find its rms velocity? Explain using Eq.
nMRT = 1 M(v2) = 2 1 M(v2) = 2(K), 3 3 2 3
An ambulance moving at 42 m/s sounds its siren whose frequency is 450 Hz. a car is moving in the same direction as the ambulance at 25 m/s. what frequency does a person in the car hear as the car approaches the ambulance? After the ambulance passe..
a bathyshpere dives to a depth of 1000 m in the ocean. if the inside is maintained at one atmosphere, what is the net force acting on the round window
consider compton scattering event in which the scattering photon has an energy of 120 kev and the recoiling electron
A 0.060 kg handball is thrown straight toward a wall with the speed of 14 m/s. It rebounds straight backward at a speed of 6.5 m/s. If the ball is in contact with wall for 3.0 ms, what average force is exerted on the wall by the ball.
Yellow light of vacuum wavelength 589 nm travels at 1.942 x108 m/s through quartz. Quartz is a nonmagneticdielectric. Calculate its permittivity. Find the electric field amplitude of a linearly-polarizedelectromagnetic wave of intensity 12.0 GW/m2..
A force with a magnitude of 452N is used to bring an object with a mass of 56.0 kg moving at a velocity of 155m/s. How long will it take to bring the object to a full stop.
A clean nickel surface is exposed to light of wavelength 216 nm. What is the maximum speed of the photoelectrons emitted from this surface
A resistor with R = 90 ohm is connected to a battery with emf 2.4 V. What is the current through the battery
A ceiling fan is rotating at 0.90 rev/s . When turned off, it slows uniformly to a stop in 2.5 minute. Find how many revolutions does fan make in this time
What is the velocity of the beam of electrons that go undeflected when passing during perpendicular electric and magnetic fields of magnitude 4700 V/m and 3.6×10-3 T, correspondingly.
a metal surface has a photoelectric cut-off wavelength of 325.6 nm. it is illuminated with light of 259.8nm. what is
Determine the maximum depth of water possible without the wall tipping over. The wall simply rests on the ground without being anchored to it.
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