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Question: A diffraction grating with 305 lines/mm is 1.00 m in front of a screen. What is the wavelength of light whose first-order maxima will be 15.4 cm from the central maximum on the screen?
A particle moving along the x axis in simple harmonic motion starts from its equilibrium position, the origin, at t = 0 and moves to the right. The amplitude of its motion is 1.70 cm and the frequency is 1.30 Hz.
Consider an optical gain medium that has two levels at E 1=1.50 eV and E 2=3.50 eV. What is the stimulated emission wavelength
To determine the specific heat of an object, a student heats it to 100 in boiling water. She then places the 68.5 object in a 196 aluminum calorimeter containing 135 of water. The aluminum and water are initially at a temperature of 19.5, and are ..
A circular loop of wire of radius 0.50 m is in a uniform magnetic field of 0.30 T. The current in the loop is 2.0 A. What is the magnetic torque when the plane of the loop is perpendicular to the magnetic field
An object is placed 3.9m from a lens with a focal length of -5.1 m. Determine the resulting image distance and magnification
A person of mass M lies on the floor doing leg raises. His leg is 0.85m long and pivots at the hip, How far does the entire body's center of mass rise
A stone used to grind wheat into flour is turned through 12 revolutions by a constant force of 21.6 N applied to the rim of a 9.2-cm-radius shaft connected to the wheel
A 7.50 kg box is pushed across a floor by a constant force applied force at 25 degrees. the box starts from rest and moves at 1.20 m/s after the box is moved 5.00 meters. The coefficient of friction is .320 What is the magnitude of the force applied ..
In the Bohr theory of the hydrogen atom, an electron moves ina circular orbit about a proton. The radius of the orbit is0.53*10^-10m. Find the electrostatic force acting on each particle
500 mL of a liquid with a coefficient of volume expansion of 205x10-6/oC fills to the brim a container that has a coefficient of volume expansion of 105x10-6/oC. how much of the liquid will overflow the container
current i 38.9 ma is set up in a loop having two radial lengths and two semicircles of radii a 7.06 cm and b 17.2 cm
A projectile is fired at 34.9° above the horizontal. Any effects due to air resistance are negligible. Calculate the horizontal component of the initial velocity
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