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Light of wavelength 619 nm passes through a double slit and makes its first maximum (m=1) at an angle of .226 deg. What is the separation of the slits, d, in millimeters?
A copper wire of radius 3.0 mm carries a constant current of 4 A. Discover the average drift velocity of the electrons if the density of copper is 9000 kg/m3, assuming one conduction electron per copper atom, and recalling that one copper atom has a ..
A car moves in a straight line at a speed of 52.0 km/h. (a) How far will the car move in 3.00 minutes at this speed?
A football is kicked off the top of a 10 meter high building at anangle of 37 degrees above the horizontal with a speed of 20 m/s, How long does it take for the ball to hit the ground
A simple pendulum has period T on the surface of Earth. When taken to planet X, the same planet has period 2T. If the radius of planet X is half the radius of Earth, what is the mass of planet X, relative to mass of the planet Earth?
suppose that a 6.14-ms wind is blowing across the roof of your house. the density of air is 1.29 kgm3. determine the
A 240 N sphere 0.20 m in radius rolls, without slipping 6.0 m downa ramp that is inclined at 28 degrees with the horizontal. What is the angular speed of the sphere
A small charged bead has a mass of 2.0g . It is held in a uniform electric field E? = (200,000 N/C, up). What is the charge on the bead
A 26 kg gun is standing on a frictionless surface. The gun fires a 55.2 g bullet with a nmuzzle velocity of 320 m/s. Calculate the momentum of the gun immediately after the gun wasfired
An electron that has energy of approximately8.0e+01 eV moves between rigid walls1.3 nm apart. Discover the precise energy of the electron. Discover the quantum number n for the energy state that the electron occupies.
A hypodermic syringe contains a medicine with the density of water (see figure below). The barrel of the syringe has a cross-sectional area of 2.50 x 10^-5 m2. In the absence of a force on the plunger, the pressure everywhere is 1.00 atm.
Suppose your 50.0 mm focal length camera lens is 52.0 mm away from the film in the camera. How far away is an object that is in focus
the highest recorded waterfall in the world is found at angel falls in venezuela. its longest single waterfall has a
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