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A child's toy consists of a piece of plastic attached to a spring. The spring is compressed against the floor a distance of 2.00 cm, and the toy is released.
In the high jump, the kinetic energy of an athlete is transformed into gravitational potential energy without the aid of a pole.
A multiple ray projector, with the rays parallel, strikes the prism from various angles and sides. How would you obtain total internal reflection?
If the two particles stick together during the collision, find the momentum, velocity, and kinetic energy of the system after the collision.
An astronaut loses contact with the hull of a space station and finds himself floating 16m from the station with zero velocity relative to it.
A small particle slides along a frictionless wire. If the particle's speed at point A is 8.85m/sec how fast is it moving at point B if it must go up a 2m.
Your company is designing a desk-top sized proton accelerator, using a 500MN/C superconducting magnet to hold the protons in a circular path.
What is the energy of the photon emitted when the electron of a hydrogen atom makes a transition from the quantum level n=3 to the level n=1?
At what value of x will the body have a kinetic energy of 8.0 J? What is the maximum kinetic energy attained by the body between x = 0 and x = 5.0 m?
A 4.5 kg block is accelerated by a compressed spring whose spring constant is 640 N/m. After leaving the spring at the spring's relaxed length.
How close would two stationary electrons have to be positioned so that their total mass is 8 times what it is when the electrons are very far apart?
Suppose that the electric potential energy lost by the system is carried off by a photon that is emitted during the process. What is its wavelength?
What is the difference in energy between the two energy levels that give rise to this line? Express in joules and eV.
The mass of the radiologist is 67 kg. How much energy has she absorbed? Answer in mJ.
Calculate the energy density in the electric field near the surface of the sphere?
Determine the angle with respect to the horizontal (angle of deviation) of the beam as it emerges from the prism.
Find x(t) for the SHM of the block, including Xm in meters, angular frequency w in rad/sec, and initial phase Q in radians.
The equilibrium temperature is 28 degrees C. Find the equilibrium temperature when equal masses of the first and third are mixed.
A ray of light traveling through a gas (n = 1.00) enters a solid (n = 1.55) at an an angle of 35 degrees and then enters a liquid (n = 1.55).
A thin film of gasoline floats on a puddle of water. Sunlight falls almost perpendicularly on the thin film and reflects to your eyes.
A solid glass sphere of radius R and index 1.50 is silvered over one hemisphere. A small object is located on the axis of the sphere at a distance 2R
A spotlight on a boat is 2.5 m above the water and the light strikes the water at a point that is 8.0 m horizontally displaced from the spotlight
A thin lens forms an image of an overhead electric lamp on a piece of paper. The distance to the lamp from the lens is 148 cm;
A Michelson interferometer has a vacuum chamber 5.0 cm long placed in one of its arms. The interferometer is illuminated with green laser light of wavelength
Light in a vacuum is incident on a transparent glass slab. The angle of incidence is 40.6°. The slab is then immersed in a pool of liquid.