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Question: The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm(red) and 486 nm (blue). Light from a hydrogen lamp illuminates a diffraction grating with 520lines/mm , and the light is observed on a screen 1.5m behind the grating.
Part A: What is the distance between the first-order red and blue fringes? Express your answer to two significant figures and include the appropriate units.
A person takes in a breath of -2 degrees C air and holds it until it warms to 37.5 degrees C. Determine the work done by the air on the lungs
shelias car is stopped at a traffic light. she is sitting in the car waiting for the light to turn green. suddenly from
A) What is the acceleration of the blocks? B) What is the tension in the string?
An electron moves with a speed of 8.0x10^6 m/s along the +x axis. Calculate the magnitude of the magnectic force on the electron
The Houston Astrodome encloses a ground area of 37,000 m^2. Find the flux through the dome of the earth's magnetic field
what is the frequency of vibration of the string. If the shot was launched from 6.00 f above the ground at an initial angle of 42.0 degrees , what was its initial speed.
A 200 g ball on a 55-cm-long string is swung in a vertical circle about a point 200 cm above the floor. What was the tension in the string an instant
A neutral conductor contains a hollow cavity in which there is a +100 nC point charge. A charged rod then transfers ??50 nC to the conductor. what is the charge on the inner wall of the cavity wall
2 parallel straight wires are 9.0 cm apart and each caries a 10.0 a current in the same direction. one wire is securely
A 50.0 kilogram boy stands at the rim of a merry-go-round of radius1.60 meter, rotating with an angular speed of 3.10 rad/s. Determine what is the boy centripetal acceleration
two objects moving with a speed travel in opposite directions in a straight line. the objects stick together when they
A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 3.4 J of work is required to compress the spring by 0.18 m. Find the value of the mass
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