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Sodium light of wavelength 589 nm is focused through a pinhole before illuminating Young's double aperture with an aperture spacing of 1.00 mm. If the spacing between the pinhole and the aperture is
A 988 kg satellite orbits the Earth at a constant altitude of 106 km. How much energy must be added to the system to move the satellite into a circular orbit with altitude 192 km? Answer in MJ.
After the collision, the orange disk moves along a direction that makes an angle of 35.0° with its initial direction of motion and the velocity of the yellow disk is perpendicular to that of the
A billiard ball moving at 5.60 m/s strikes a stationary ball of the same mass. After the collision, the first ball moves at 4.59 m/s, at an angle of 35.0° with respect to the original line of mo
(a) If the collision is perfectly inelastic, calculate the speed and direction of the players just after the tackle. (b) Determine the energy lost as a result of the collision.
The movable mirrror in a Michelson interferometer is displaced to give an interferogram with 1000 local maxima. If the illumination wavelength is 633 nm, how far did the mirror move?
When a 0.5 kg mass is suspended from a spring, the spring stretches 4 cm. The mass is then displaced 2 cm from its equilibrium position and released. a) What is the spring constant? b) What is the m
(1) What happens to the capacitance and voltage of the capacitor? (2) Derive and explain why halving the distance between the plates of a disconnected, charged capacitor reduces the stored energy by
A sodium ion (NA+) is neutralized by capturing a 0.5 eV electron. What is the wavelength of the emitted radiation if the ionization potential of sodium (Na) is 5.41 volts? Please show your work.
A neutron passes two points 1.0 meter apart in 1.0 microsecond. Calculate the neutron's energy in units of both joules (J), ergs and electron volts. Please show all work.
A small leak develops in her propulsion system and 7.79 g of gas are ejected each second into space with a speed of 797 m/s. She notices the leak 5.91 s after it starts. How much will the gas leak h
A fire hose 3.51 cm in diameter is capable of spraying water at a velocity of 24.7 m/s. For a continuous horizontal flow of water, what horizontal force should a fireman exert on the hose to keep it
What is the initial thrust exerted on your spacecraft by the retro-rocket? What is the thrust's direction (positive if in the direction of the velocity of the spacecraft, or negative if in the oppo
The center of mass of a proton with mass 1.673·10-27 kg and alpha particle with mass 6.645·10-27 kg is moving with a speed of 2.235×105 m/s. What is the speed of the proton in the
A fire hose 3.51 cm in diameter is capable of spraying water at a velocity of 24.7 m/s. For a continuous horizontal flow of water, what horizontal force should a fireman exert on the hose to keep i
By making measurements on your own forearm and appropriate approximations and estimations (be sure you describe them) estimate the tension force on the biceps tendon when you hold an object with a m
If the slope is not frictionless, so that the skier has a final velocity of 11.8 m/s , calculate the work done by gravity, the work done by the normal force, the work done by friction, the force of
A pickup truck carries cans of paint in the back bed. The coefficient of static friction between the cans and the bed of the truck is 0.54. There is no back gate to the truck. How long should the
If two masses, m1 and m2, are confined to a circle and identical springs, with spring constant k, connect the masses, find the eigenfrequencies using the T and V matrix. Find the orthogonal and nom
Liquid water at 453 K and 1002 kPa has an internal energy of 762 kJ/kg and a density of 890 kg/m3. (a) What is the enthalpy (per weight and per volume)?
The power per unit area reaching Earth from the sun at the top of the atmosphere at the equator is 1.36 x 10^3 W/m^2, which is called the "solar constant". assuming that the earth radiates like a b
A spherical capacitor is comprised of a solid inner conduction sphere of radius a with positive charge Q and an isolated, concentric, thin outer conduction shell of radius b and charge -Q. Derive th
Using energy methods, find the magnitude and direction of the force on the inner cylinder when it is displaced by a small amount with respect to the outer one. Expain how this force arises.
If a parallel-plate capacitor is disconnected from a battery before the separation between the plates is doubled, what is the ratio of the final stored energy to the initial stored energy?
The Hall-effect is used to determine the mobility of holes in a p-type silicon. Assume the bar resistivity is 20,000 ohm -cm the magnitude of Bz = 0.1 wb / m2, and d = w = 3 mm The measured value of