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A weight of 30.0 N is suspended from a spring that has a force constant of 190 N/m. The system is undamped and is subjected to a harmonic driving force of frequency13.0 Hz, resulting in a forced-mot
What is refraction? How and why does it occur? Why does light change its speed as it passes from one medium to another. Explain the behavior of light as it goes from a denser (higher refractive in
Estimate the spacing between the two irrandiance maxima closest to the geometric of a plain wave illuminated straightedge if the source distance is 10.0 cm and the observation distance is 20.0 cm. A
As used in the laws of reflection and refraction, what is the definition of the "normal" direction?
A beam of 800 keV gamma is mormally incident on a sheet of lead 12mm thick. the rate of energy transmission is 3x10^5 MeV s^-1. What fraction of the transmitted energy is due to uncollided photons?
The effective area of the hole is 11.4 × 10-3 m2 and is located 2.0 m beneath the surface of the lake. What volume of water per second leaks into the ship?
What is the mass of the container? Ignore the mass of the balloon and the air within it. Do not neglect the buoyant force exerted on the shipping container by the water. The density of seawater is 1
A 1.0-m radius flywheel is to be made from steel in the form of a solid disc. If the flywheel when turning at 60 rpm store as much energy as a 100-W lamp uses in one minute, how thick must the flyw
How does knowing the time constant of an RL or RC circuit help us decide the width of a practical pulse input that is short enough to provide a good approximation of an impulse? Illustrate your answ
The sound of the rustling leaf is also right at the threshold of hearing of the harvest mouse. How far is the harvest mouse from the leaf?
A submarine suddenly breaks up at a depth of 248 m below sea level. The air in the submarine will then be suddenly (adiabatically) compressed. The initial pressure of the air is 1.0 atm, and the in
A cylindrical copper rod has resistance of 0.3 ohm. It is reformed to 3.8 timesm its original length with no change of volume. What is its new resistance in ohms?
A wire is made of two sections with different diameters. Which of the following statements is (are)
A taut rope has a mass of 0.170 kg and a length of 3.55 m. What power must be supplied to the rope to generate sinusoidal waves having an amplitude of 0.110 m and a wavelength of 0.490 m, traveling
An RLC oscillator circuit contains a 63.0 ohm resistor and a 1.80-mH inductor. What capacitance is necessary for the time constant of the circuit (the 1/e value) to be equal to the oscillation perio
Estimate the spacing between the two irrandiance maxima closest to the geometric of a plain wave illuminated straightedge if the source distance is 10.0 cm and the observation distance is 20.0 cm.
Light from a helium-neon laser (wavelength=633 nm) is focused through a pinhole prior to illuminating a 1.00 mm diameter aperture.
A photograph of this zone plate is to be reduced on high-resolution film to give a working zone plate with a 1.00 m focal length. If this zone plate is to be used with light of 633 nm, what factor o
A 50 W light bulb shines through two polarizers. After having passed through the first polarizer, the electric field incident on the second polarizer is 5.0 V/m. The second polarizer sits at a 25&de
Blood flows in an aorta of radius 4.25mm at 35.0cm/s. Calculate the volume flow rate.
The red light emitted by a helium-neon laser has a wavelength of 632.8 nm. What is the frequency of the light waves?
Find the force exerted on an electron at this point, moving with a velocity of 240 i hat bold Mm/s.
A 0.210-A current is charging a capacitor that has circular plates 15.8 cm in radius. The plate separation is 4.00 mm. (a) What is the time rate of increase of electric field between the plates?
The turbine exit pressure is 10KPa. The overall efficiency of the turbine is 0.83. Calculate the thermal efficiency, the heat rate and the steam and water massflow rates required for an outputof 10M