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Using a 679-nm wavelength laser, you form the diffraction pattern of a 0.101-mm wide slit on a screen. You measure on the screen that the 12th dark fringe is 9.09 cm away from the center of the central maximum. How far is the screen located from the slit?
Electrons accelerated by a potential difference of 12.43 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the shortest possible wavelength
In a head-on collision, a car stops in 0.17s from a speed of 30m/s . The driver has a mass of 78kg, What force is applied to the driver by his seat belt during that fraction of a second
David is driving a steady 21.0 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.80 m/s^2 at the instant when David passes.
An electron in a hydrogen atom makes a transition from the n=6 energy state to the ground state (n=1)
A capacitor that is initially uncharged is connected in series with a resistor and a 406.7V emf source with negligible internal resistance, What is the resistance of the resistor
A monatomic ideal gas in a rigid container is heated from 212 K to 305 K by adding 7840 J of heat
A falling stone takes 0.33s to travel past a window 2.20 m tall on the right. From what height above the top of the window did stone fall.
An airplanes airspeed (relative to still air) is 135 mph. The wind speed relative to the ground is 37 mph and is directed at theta = 51 deg
You're a marine biologist concerned with the effects of sonic booms on plankton, and you need to estimate the altitude of a supersonic aircraft flying directly over you at 1.1 times the speed of sound
A box is sliding down an incline tilted at an angle 14.0° above horizontal. The box is sliding down the incline at a speed of 1.70 m/s. The coefficient of kinetic friction between box and incline is 0.380. How far does the box slide down the incli..
An electron is accelerated from rest through a potential difference that has a magnitude of1.65 107 V. what is the relativistic kinetic energy (in joules) of the electron
You have been asked to design a "ballistic spring system" to measure the speed of bullets. Find an expression for the bullet's initial speed
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