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Light shines through a single slit whose width is 5.5 × 10-4 m. A diffraction pattern is formed on a flat screen located 4.0 m away. The distance between the middle of the central bright fringe and the first dark fringe is 4.4 mm. What is the wavelength of the light?
a bullet leaves a rifle with a muzzle velocity of 521 ms. while accelerating through the barrel of the rifle the bullet
The speed of a bullet as it travels down the barrel of a gun isgiven by V=-5000t2 -300t, where v is in km/s and tin seconds. The acceleration of the bullet as it leaves the barrel is zero.
a distant galaxy emits light that has a wavelength of 550.5 nm. on earth the wavelength of this light is measured to be
A particle of rest mass 1.10 MeV/c2 and kinetic energy 2.10 MeV collides with a stationary particle of rest mass 2.80 MeV/c2. Find the speed of the first particle before the collision
Assume you are a scuba diver preparing for a 30m dive into sea water of density 1025 kg/m3, what volume will be in your lungs at a depth of 15m? at 30m
The electric potential energy stored in the capacitor of a defibrillator is 37J, and the capacitance is 120μF. What is the potential difference across the capacitor plates?
How much charge passes during the starter motor
Consider a 0.11 cm focal length microscope objective that is 0.29 cm from the object being viewed. What magnification is being produced by the objective
The normal range of hearing is about 20 to 20000 Hz. Assume that your hearing range is 26 to 18500 Hz. (Use 340 m/s as the speed of sound.) What is the greatest length of an organ pipe that would have its fundamental note in your hearing range if i..
An empty storage tank has a volume of 144 ft3. What is the buoyant force exerted on it by the air
The average distance from the earth to the sun is called the astronomical unit (AU). does it obey Kepler's third law
A diver in a swimming pool shines a flashlight up from below the water%u2019s surface at an angle of 30.0 degrees from the normal. at what angle to the normal does the light leave the water
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