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Write the physics essay/report about Endeavour Space Shuttle.
The wave function for a traveling wave on a taut string is (in SIunits) the following equation. y(x, t) = (0.382 m)sin(14πt - 3πx + π/4), What are the speed and direction of travel of the wave
Light travels from air through a flat sheet of glass (n= 1.5) into water. If the angle of incidence in air is 30 degrees, what is the angle of the refracted ray in water
Two equal (in all respects) explosives produce a sound level of 102 dB when exploded simultaneously at a certain place. Determine what is the intensity of this single sound source
two blocks of mass 3 kg and 6 kg resp are placed on a smooth horizontal surface. they are connected by a light spring
A cylinder of mass M=30 kg and radius R=2m rolls without slipping. What is the acceleration of the center of the cylinder
At depths greater than 2 meters in Kansas, the wintertime soil temperature is approximately 15 degrees C. Determine the coefficient of performance
A 45% efficient device uses chemical energy to generate 420 J of electric energy. How much chemical energy is used? A second device uses twice much chemical energy to generate half as much electric energy. What is its efficiency?
one mole of an ideal gas does 2600 j of work on its surroundings as it expands isothermally to a final pressure of 1.00
q1. a 35.0-g bullet moving at 475 ms strikes a 3.2-kg bag of flour that is on ice at rest. the bullet passes through
a parallel-plate capacitor is made of two flat metal plates pressed against a thin slab of dielectric material. the
an air mattress is 2.3 m long 0.66 m wide and .14 m deep. if the air mattress isteslf has a mass of 0.22 kg what is
If the activation energy for the vacancy formation is given as 0.77 eV for aluminium at (650 degrees Celcius) ^3, what would be the number of vacancies at 650 degrees Celsius? The atomic weight and the density of aluminium is 26.98 g/mol and 2.62 ..
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