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When a person visits the local tanning salon, they absorb photons of ultraviolet light (UV) to get the desired tan. What are the frequency and wavelength of a UV photon whose energy is 6.5 x 10^-19 J?
A baseball is hit with a speed of 33.0 ms-1 at an angle of 56.0 degrees. It land's on the flat roof of a nearby building with a height of 13 m. If the ball was hit when it was 1.7 m above the ground, what horizontal distance does it travel before it ..
A beam of nuclei is used for cancer therapy. Each nucleus has an energy of 190 MeV, and the relative biological effectiveness (RBE) of this type of radiation is 16. How many nuclei are in the beam
A rock is kicked off the edge of a cliff 45.0m high with an initial velocity of 10.0m/s in the horizontal direction. How far from the bottom edge of the cliff does it land
A 4.0 kg ball is located at x= 4.0m, y= 0m. A 6.0 kg ball is located at x= 2.0m, y= 4.0m, and a 3.0 kg ball s located at x= -1.0m, y= -2.0m. obtain the location of the center of the mass of this system
A horizontal spring with a spring constant of 0.6 N/m sits on a frictionless table, What is the magnitude of the elastic force on the mass just after it is released
the plate separation of a charged capacitor is 0.1031 m. a proton and an electron are released from rest at the
The potential equals 400 V at 1.00 m from a very large, flat dielectric sheet that carries a surface charge density of -1.00 x 10^-8 C/m2
In a machine shop,a hydraulic lift is used to raise heavy equipment forrepairs. What force must be applied to the small piston inorder to lift the engine in units of N
with what tension must a rope with length 2.50 m and mass 0.120 kg be stretched for transverse waves of frequency 40.0
q1. a 2.47 kg steel ball strikes a massive wall at 11.7 ms at an angle of alpha 67.2deg with the plane of the wall. it
consider two ZAMS stars: 09 and B0. The effective temperature of the 09 star is 34,500 k. Assuming a hydrogen density of 10^8 m^-3, and Alpha = 3.1 x 10^-19 m^3 s^-1, estimate the Stromgren radius of the stars in pc and AU
An ideal gas in a container is at a temperature of 70.6°C. What is the average translational kinetic energy of a gas molecule in the container
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