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(a) You direct a 13.5 mW laser beam toward a surface at normal incidence. The surface is made of a material that completely absorbs the radiation. What is the radiation pressure on the surface if the cross section of the beam has a diameter of 2.85 mm when it arrives at the surface?
(b) You now direct the same laser beam, with the same power and beam cross section, at normal incidence on a mirror where 100% of the beam is reflected from the surface. What is the total pressure on it due to the incident and reflected energies?
What are the characteristics of longitudinal and transverse waves? Describe their differences and similarities
The pressure of a gas in a well-sealed vertical frictionless piston-cylinder device is to be increased by adding a mass of 352 lbm on the piston. What is the increase in the pressure of the gas
A satellite in Earth orbit has a mass of 92 kg and is at an altitude of 2.04 106 m. (Assume that U = 0 as r ? infinity.) (a) What is the potential energy of the satellite–Earth system? J (b) What is the magnitude of the gravitational force exerted..
In a pickup game of dorm shuffleboard, students crazed by final exams utilize a broom to propel a calculus book along the dorm hallway. If the 3.5 kg book is pushed from rest during a distance of 0.88 m by the horizontal 28 N force from the broom and..
A nurse applies a force of 4.30 Newton to the piston of a syringe. The piston has an area of 5.47 x 10-5 m2. Find the pressure increase in the fluid within the syringe
Find the center of mass of the flat region plotted below which is of density one. First find Mx and My. (Hint: Do this by summing the moments of each piece)
A man lifts a 2.7-kg stone vertically with his hand at a constant upward acceleration of 1.7 m/s2. What is the magnitude of the total force of the stone on the man's hand
A puddle of water (n=1.33) is covered with a very thin layer of oil( n=1.10). what is the speed of light in the water
A circular area with a radius of 7.40 cm lies in the x-y plane. What is the magnitude of the magnetic flux through this circle due to a uniform magnetic field B= 0.232 T that points in the +z direction? What is the magnitude of the magnetic flux thro..
Consider a homemade capacitor, which consists of 2 8.5" x 11" aluminum foil sheets separated by 10 sheets of paper. Estimate the capacitance of this device. What effect does the paper have on the capacitance
A boat moves through the water with two forces acting on it. One is a 2170 Newton forward push by the motor, compute how far will it move in 10.9 seconds
Why and howif you have 2 functions of E (fermi and density of states) and you compute and plot it versus E-Ec. Is it best to use Matlab or excel in the computations?If someone can explain how to go about solving tis I would appreciate it.
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