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The lowest energy visible light photon is the longest wavelength at the red end of the light spectrum. How many times greater is this energy
With the boat initially at rest, the two people, who have been sitting at opposite ends of the boat, 3.0 m apart from each other, exchange seats.
In an inelastic collision, is the final total momentum more than the initial momentum, less than the initial momentum or is it the same as the initial momentum?
If a vehicle is of length L on the average, what is the average spacing between vehicles at the above traffic density?
A hydrogen atom in an excited state emits a photon of wavelength 95 nm. Select the initial and final states of the hydrogen atom.
What is the wavelength (in meters) of electromagnetic radiation broadcast by an FM radio station with a frequency of 106.1 MHz?
Light of wavelength 616 nm (in vacuum) is incident perpendicularly on a soap film (assume n = 1.36) suspended in the air.
Apply the thermodynamic relation TdS =dE+pdV to a photon gas. Here one can write that E = Vu where u(T), the mean energy density of the radiation field
If a rigid homogeneous rectangular crate of mass m and height h slides on its base of w, while traveling a velocity v, it stikes a low, immovable curb.
Define strength and explain why strength varies through a joints range of motion?
What is the angular momentum of the coin about a point .1 m from the line of motion?
A turn-table on a frictionless vertical axis has a radius of 1.5 m and a moment of rotational inertia of 150 kgm^2.
What quantities are conserved in each case? Find the final speed V of the mass when it hits the post for each case?
A particle of mass 50g moves under an attractive central force of magnitude 4r^3 dynes. The angular momentum is equal to l,000 g*cm/s.
On a horizontal, frictionless table, a mass M is attached to the free end of a spring with the other end fixed. Another mass, m, moving at velocity S.
A beam of electrons (m=9.11 x 10 (-31) negative thirty first power has an average speed of 1.3 x 10^8 (eigth power) m*s (-1) s to to the negative first power
A figure skater during her finale can increase her rotation rate from an initial rate of 1.12 revolutions every 1.88 s to a final rate of 3.15 revolutions.
A uniform cylinder, mass M= 12 kg, radius R= .36 m, is initially rotating about a vertical axis through its center at angular velocity wo= 6.6 rad/sec.
A block with a hole through the center can slide in and out along the rod. Initially, a small piece of wax holds the block 10.0 cm from the pivot.
Thomson's Experiment: Instead of turning off the electric field to determine the charge-to mass ratio, Thomson proceeded to switch off the magnetic field
A flywheel initially rotating at a speed of 800 rev/min, is brought to rest with uniform angular deceleration in 6’s
Using the physical conditions present in the universe during the era of recombination (T=3000 and pm=10^-18 kg/m^3)
Determine the magnitude and direction of the resultant linear acceleration of a point A on the flywheel 0.2 s before coming to rest.
A uniform solid sphere of radius 0.500 m and mass of 15.0kg turns counterclockwise about a vertical axis through its center.
Convert the following angles from degrees to radians, to three significant figures: a) 15°, b) 45°, c) 90° and d) 120°.