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A hockey puck moving at 33m/s slams through a wall of snow 38cm thick. It emerges moving at 19m/s . Assuming constant acceleration, find the time the puck spends in the snow. Assuming constant acceleration, find the thickness of a snow wall that would stop the puck entirely.
Identical conducting spheres
A 5p-mm-focal-length lens has f-stops ranging from f/1.4 to f/22. What is the corresponding range of lens diaphragm diameters
An x-ray photon of 0.13 nm strikes a metal and undergoes Compton scattering of the electrons in the metal. find the wavelength of the scattered photon
A rock is thrown vertically upward from ground level at time t = 0. At t = 1.9 s it passes the top of a tall tower, What is the height of the tower
A torsion pendulum is constructed of a copper rod of radius 3 mm and length 50 cm. what is the period of oscillation
A parachutist and her parachuting equipment have the combined mass of 121 kg. Her terminal velocity is 5.30 m/s with the parachute open. Her parachute has a cross-sectional area of 35.80 m^2. The density of air at that altitude is 1.23kg/m^3. What is..
A sphere of mass M is supported by a string that passes over a pulley at the end of a horizontal rod of length L, Find the mass of the portion of the string above the rod
Coherent light from a sodium-vapor lamp is passed through a filter that blocks everything except for light of single wavelength. It then falls on two slits separated by 0.410 . In resulting interference pattern on a screen 2.10 away, adjacent bri..
What are the corresponding velocity vectors
Diffraction grating produces its third-order bright band at an angle of 79.4 degrees for light of wavelength 731nm. Find the angular location of the first-order bright band
A 1.65 block is attached to a spring with spring constant 17. While the block is sitting at rest, a student hits it with the hammer and almost instantaneously gives it a speed of 59.
The ratio of the number of turns in the primary to the number of turns in the secondary of a step-down transformer is 25:1. how much power is delivered to the secondary
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