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The bright yellow sodium line in the sodium spectrum is actually a pair of closely spaced lines at 589.0 nm and 589.6 nm. You observe the sodium spectrum using a diffraction grating with a spacing of 1200nm .
A. Find the angular separation between the two sodium lines in first order.
B. Find the angular separation between the two sodium lines in second order.
A dolphin in seawater at a temperature of 25 °C makes a chirp. How much time passes before it hears an echo from the bottom of the ocean, 208 m below.
In a certain region of space, the electric field, E, is constant in direction (say horizontally in the +x-direction), but its magnitude decreases.
Find out the magnitude of the velocity of the heavier fragment relative to the ground just after explosion.
An artillery shell is fired with initial velocity of 300 m/s at 55 angles above the horizontal. to clear an avalanche, it explodes on a mountainside 42s after firing. What is the x and y coordinates of the shell where it explodes, relative to its ..
A distance away from a uniformly charged spherical object, the magnitude of the electric field is 575V/m and the electric potential is 3.50kV. (a) What is the distance to the center of the object? (b) What is the magnitude of the charge?
Speedboat A negotiates a curve whose radius is 150 m. Speedboat B negotiates a curve whose radius is 190 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
The starter motor of a car engine draws a current of 180A from the battery. How far does an electron travel along the wire while the starter motor is on
A block of mass 2.50 kg is pushed 2.00 m along a frictionless horizontal table by a constant 16.0 N force directed 25.0° below the horizontal, Determine the work done by the force of gravity
A 3.06 kg block slides down a frictionless plane inclined 18.6' to the horizontal. If length of the plane's surface is 1.43 m, how much work is done, and by what force.
Find an expression for the volume charge density ?(r) inside the ball as a function of r. Express your answer in terms of the variables Q, r, R, and appropriate constants
A falling sphere viscometer measures the viscosity of a liquid from the terminal velocity of a tiny, falling sphere, what is the shear viscosity of the liquid
A device known as Atwood\'s machine consists of two masses hanging from the ends of a vertical rope that passes over a pulley. Assume the rope and pulley are massless and there is no friction in the pulley.
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