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The drawing shows a crown glass slab with a rectangular cross-section. As illustrated, a laser beam strikes the upper surface at an angle of 60.0 degree.
A metal bar with length L, mass m, and resistance R is placed on frictionless, metal rails that are inclined at an angle (Data) above the horizontal.
Suppose a virtual image is located 8 cm to the right of a lens which has a focal length of -12 cm. Find the location of the object.
A piece of lucite (transparent plastic) has an index of refraction of 1.45. Find the critical angle (for total internal reflection) if the plastic is in air.
A cell phone of length 10.0cm sits 50.0cm in front of a lens of focal length 30.0cm.
Compute the position and size of the image of an object in the form of an arrow 1 cm high, perpendicular to the lens axis, 40 cm to the left of the lens.
How much energy is stored in its magnetic field when it carries a current of 0.780 A?
Show that the work done in pulling the string equals the increase in kinetic energy of the mass.
A block of mass M on a horizontal frictionless table is connected to a spring (constant k). The block is at the left and attached to an horizontal spring.
Converging lens placed near center of optical bench. Light source and object on left side of lens and screen on the other side.
You hold a converging lens in front of a sheet of paper so as to form a sharp image of a distant object or scene from a window.
What distance does the level of water in the lake fall when this much water passes through the dam?
Suppose the collision between the packages is elastic. To what height does the package of mass m rebound?
Two lenses that are L = 37 cm apart are used to form an image, as shown . Lens 1 is diverging and has a focal length f1 = -7 cm; lens 2 is converging
Suppose this time that the car had been heading down the 12.0° grade when it hit the SUV. The distance of slide would then be how many m?
A sled is being held at rest on a slope that makes an angle theta with the horizontal. After the sled is released, it slides a distance d_1.
The Moon has an angular size of 0.50° when viewed with unaided vision from Earth. Suppose the Moon is viewed through a telescope with an objective
A compound microscope has the objective and eyepiece mounted in a tube that is 18.0 cm long. The focal length of the eyepiece is 2.28 cm, and the near-point
The elastic potential energy of this spring/mass system is 1.6 J. What is the elastic potential energy of the system when the 3.2 kg block is replaced.
A solid prism has a vertical rectangular face of height H= .90 m by width W=.5 m and a horizontal rectangular face of length L= 1.2 m, with W=.5 m also.
Suppose that all matter in a 125.0 microgram grain of sand was entirely converted to energy. How much energy would be released?
The peak intensity of the solar spectrum occurs for lamda(max)= 475 nm. What is the temperature of the surface of the sun?
The rearmost glider has an initial speed of 3.0 m/s and the forward glider has a speed of 2.0 m/s. if the collision is elastic.
Calculate the X-ray intensity, as a function of the incident intensity I_o, that reaches the film for each of the three X-ray beams.
How fast was the block going when it hit the spring if the frictional coefficient between the block and the horizontal surface is 0.40?