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The lift makes an angle of 14.6 degrees with the horizontal. What is the change in the skier's gravitational potential energy?
A plane mirror is placed in front of a multiple ray projector so that the central ray is back upon itself.
If the object were attached to the spring, at what angular frequency (in rad/s) would it oscillate?
A source of visible light is placed before an air-spaced Fabry-Perot etalon od diameter 20mm and mirror separation d = 1mm.
A roll of paper towels is a uniform hollow cylinder, mass M=.75 kg, outer radius Ro=.084 m, inside radius of the hollow core Ri=.036 m.
Suppose you walk with a speed of 1.20 m/s toward a plane mirror. What is the speed of your image relative to you, when your velocity is
The square steel plate has a mass of 1800 kg with mass center in its center G. Calculate tension in each of the three cables
If the wavelength of visible light was around 10cm instead of 500nm and we could see it, what effect would this have on diffraction and interference?
Assuming that it reverses direction with uniform spin velocity, find the average force on the string while the yo-yo turns around.
Find the final velocity of the ball, Vf, assuming that mechanical energy is conserved and that Vf is along the original line of motion.
In terms of G, Me, m, and r, find the total mechanical energy Ea and Eb of the two satellites plus Earth's system before collision.
In the following circuit, what is the current through R1 at T=1 second after the switch is closed? How long does it take the capacitor to be 95% fully charged?
Light emitted by Element X passes through a diffraction grating having 1200 lines/mm. The diffraction pattern is observed on a screen 75.0 cm
The heating element of an electric hot plate, 26.5 ohms resistance, is connected across a 115 V circuit. How much heat will be developed in 10.0 seconds?
The lens and mirror in Figure P23.51 are separated by 1.00 m and have focal lengths of +80.2 cm and -49.0 cm, respectively.
A helicopter has blades of length 3.0m, rotating at 2.0rev/s about a central hub. If the vertical component of Earth's magnetic field is 5.0*10^-5T.
An insect of height 2 cm is in front of a spherical mirror whose focal length has the absolute value | f | = 40 cm.
Approximately 4x10^9kg of matter is converted into energy each second in the sun. Find the power output of the sun.
A real object is at the zero end of the meter stick. A large concave mirror at the 100-cm end of a meter stick forms an image of the object at the 70-cm
A stone is dropped from a height of 100m. At what height is half of its energy potential and half kinetic? What is the speed of the stone at this height?
Find the dipole moment of a non-uniform surface charge distribution on a sphere of radius a: s = s0*cos(?) where ? is the polar angle. What is the total charge?
m1 is then let go, and hits m2 an elastic collision. What will be the final height m2 will attain after recoiling from m2?
A concave mirror has a focal length of 30.0 cm. The distance between an object and its image is 45.0 cm.
An object is positioned at an initial angle on a frictionless spherical shell. It is then let go, and starts sliding on the shell.
Define the following four terms associated with light microscopy: refraction, refractive index, resolution and numerical aperture.