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The intensity of the sunlight that reaches Earth's upper atmosphere is approximately 1410 W/m2.
(a) What is the average energy density?
___ J/m3
(b) Find the rms values of the electric field and magnetic field.
Erms =___ V/m
Brms = ___T
A vertical wall (5.4 m 2.4 m) in a house faces due east. A uniform electric field has a magnitude of 164 N/C. What is the electric flux through the wall
The coefficient of static friction is .6 and the ladder makes a 50 degree angle with the ground. Elucidate how far up the ladder can an 800 newton person climb before starts to slip
A 0.14- kg block on a wooden table is given a sharp blow with a hammer. The block then slides across the table to a stop. How far does the block go
A block with mass m = 19.0 kg slides down an inclined plane of slope angle 17.8 ° with a constant velocity. It is afterwards projected up the same plane with an initial speed 1.35 m/s. How far up the incline would the block move before coming to rest..
Incident photons strike a soduim surface having a work function of 2.2 eV, causing photoelectric emission. What is the wavelength of the incident photons
If you were to take a 60.0 cm long steel bar, and heated it to the point that it would try to expand by 0.50 mm,what is the pressure you would need to apply, to keep it from expanding
A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction is -6.0 x 103 J, what is the speed of the skier
An uncharged spherical conducting shell surrounds a point charge - q at its centre. Then a charge +3q is placed on the outside surface of shell.
An argon-ion laser produces a cylindrical beam of light whose average power is 0.662 W. How much energy is contained in a 1.88-m length of the beam
A ball is thrown upward from the top of a building at an angle of 30.0° to the horizontal and with an initial speed of21.0m/s. Find the horizontal range of the ball
A 20kg suitcase is being pulled with constant speed by a handle that is at an angle of 22degrees above the horizontal. what is the force F applied to the handle
Derive the algebraic equations for the coordinate curves and coordinate surfaces in pherical polar coordinate systems
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