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How do excitation and emission take place in atoms? What is an absorption spectrum? What can you use it for? Does it require a single wavelength light or a continuous spectrum? What is the function of a spectrometer?
the acceleration of gravity at the surface of moon is 1.6 m/s^2. A 5.0 kg stone thrown upward on moon reaches a height of 20m, find its intial velocity
The radar system at an airport broadcasts 11 microwaves with 150 of power. An approaching airplane with a 31 cross section is 24 away. suppose that the radar broadcasts uniformly in all directions and that the airplane scatters microwaves uniformly..
A long coaxial cable length of L consists of a cylindrical metal sheath of radioys b surrounding a solid conducting wire with radious a. defining voltage to be zero at infinity
A rope 3.4 m long has a mass of 0.85 kg. The tension in the rope is 51.0 N. What is the frequency of the power source if the power transmitted is 118 W
An electron traveling at 993 m/s enters a 1.5 T magnetic field. The angle between the velocity and the field is 90o. Find the radius of the resulting circular path.
Compute the electric field needed to cause that acceleration, and the amount of charge that the Van de Graaff had accumulated. Note: Van de Graaff has a radius of 0.150 m.
A load of bricks with mass = 16.0 hangs from one end of a rope that passes over a small, frictionless pulley. What is the tension in the rope while the load is moving
Suppose you throw a 0.054-kg ball with a speed of 11.6 m/s and at an angle of 28.5° above the horizontal from a building 12.7 m high. What will be its kinetic energy when it hits the ground
How will their speeds to relate to each other when they land? Ignore air resistance. Clarify with graph. Draw a graph and explain why it happens.
A steel piano wire vibrates in its first harmonic mode with a fundamental frequency of f1 = 410 [Hz]. How many harmonics can be heard by a person
Classify two organizations with similar problems but from different countries. Analyze political, social, ethical and legal differences facing both organizations and determine the impact these differences have on management decision making.
A 1500-kg car moving east at 28.00m/s collides with a 1720 kg car moving south at 15 m/s and the two cars stick together.
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