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The electromagnetic waves used in a microwave oven have a wavelength of 12.24 cm.
a) What is the frequency of this radiation?
b) Electromagnetic waves in a microwave can exhibit standing waves. If there is a standing wave in your microwave oven, what is the distance between nodes?
c) Based on your answer in part (b), why do you think microwave ovens contain rotating carousels?
A 9500 line/cm grating reveals that a beam of light contains three different wavelengths. When the light strikes the grating at normal incidence, What are the wavelengths for each angle
To what angle beta can the sculpture be tipped.
Two trucks of equal mass collide at a 90 intersection. If the momentum of truck A is 9.50x10^4 kg km/h east and the momentum of B is 1.05x10^5 kg km/ north, what is the resulting momentum of the final mass
the equilibrium separation of H atoms in the H2 molecule is 0.074nm. Calculate the energies and wavelenghts of photons
An electromagnetic plane wave at a certain location has an electric field pointed up which is given as a function of time as E = 54 V/m x sin (6x10^6 Hz x t). how much energy does the foil absorb
A 57.0 kg skateboarder starts out with a speed of 1.70 m/s. He does +80.0 J of work on himself by pushing with his feet against the ground. Calculate the change (?PE = PEf - PE0) in the gravitational potential energy
a 5.0 kg mortar shell is fired upward at an angle of 34 to the horizontal and with a muzzle speed of 100 ms.a- what is
You have a compound microscope with a barrel of length 163 mm. Find the total angular magnification of the microscope for a person whose near point is 25.0 cm away
Light of 475 nm passes through two small slits. In theinterference pattern formed on a screen 4.0 m away, the distancebetween the center bright fringe and the adjacent bright fringes oneither side is 2.0 mm. Calculate the separation distancebetween t..
Determine and sketch all the external forces acting on the chair. Because the chair can be represented as a point particle of mass , draw the forces with their tails centered on the black dot in the middle of the chair.
At what speed would your 4.98 m long car fit in the 4.19 m Part 1 When parked, your car is 4.98 m long. Unfortunately, your garage is only 4.19 m long. How fast would your car have to be moving (in c) for an observer on the ground to find your car..
A uniform ion beam of radius R consists if N' ions per meter ofmass m, speed v, and charge q. Find the Lorentz force (due toboth E and B) on an ion at the edge of the beam. At whats peed would the force become zero?
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