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A light wave is traveling in glass of index 1.50. If the electric field amplitude of the wave is known to be 100 V/m, find the following. a.) the amplitude of the magnetic field
A longitudinal standing wave can be established in a long, aluminum rod by stroking it with rosin on your fingers. If the rod is held midway between the two ends of the rod, the wavelength of the fu
Consider a current carrying loop. Beginning with a smale element of the current carrying loop, derive an expression for the magnetic field strength at any distance along the loop axis from its cent
A 1125-kg car and a 2250-kg pickup truck approach a curve on the express way that has a radius of 225 m. (a) At what angle should the highway engineer bank this curve so that vehicles traveling at
Your hands are wet and the restroom towel dispenser is empty. What do you do to get drops of water off your hands? How does your action exemplify one of Newtons laws? Which one?
A light plane (mass = M) makes an emergency landing on a short runway. With its engine off, it lands at speed v0. A hook on the plane snags a cable attached to a sandbag (mass = m) and drags the san
What is the origin for a positive deviation from Rauolt's law in some none ideal solutions? Explain what electronegativity refers to and how this determines the nature of molecular bonds.
The side of the central bright fringe on a flat screen, which is 1.2 m away from the slits. The separation between the slits is 1.6 x 10-4 m. What is the wavelength of the light being used?
A television set connected to a 120 V outlet consumes 85 W of power.How long does it take for 10 million electrons to pass through the television?
The surface of the water at a point 232 m from the shore. If the beam just strikes the top of a building standing directly at the water's edge, find the height of the building.
A spherical particle with a diameter of D = 2R and density's falls through a fluid with a density funder the influence of gravity. If the particle starts from rest, write the force balance for the
Determine the force on the table as a function of the distance x that the upper end has fallen. Assume the table is energy absorbing -- the chain does not bounce as it hits the table. What is the fo
A muon formed high in the Earth's atmosphere is measured by an observer on the Earth's surface to travel at speed. For what time interval does the muon live as measured in its reference frame?
Find the difference in potential between the bird's feet, assuming they are separated by a distance of 6.5 cm.
What is the closest distance between the asteroid and Earth? Does it hit Earth? If not, will it come back to Earth again?
A 20 g block of copper at 500°C is placed in the box; then the perfectly insulating lid is quickly and tightly sealed. After a long time has passed, what is the pressure in the box?
A 25 kg solid door is 220 cm tall, 94 cm wide. What is the door's moment of inertia for rotation about a vertical axis inside the door, 13 cm from one edge?
A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.70 rm{Hz}. What is mass of fish?
Grease on the rail makes static friction negligible, but rapidly damps out vibrations of the sliding object. When subject to a steady acceleration of 0.800g, the object must be located 0.600 cm from
A 365 kg mass is supported on a wire attached to a 15 m long steel bar that is pivoted at a vertical wall and supported by a cable. Find the force exerted by the wall on the steel bar.
Determine the mass of the earth knowing that the mean radius of the moon's orbit about the earth is 238,910 mi and that the moon requires 27.32 days to complete one full revolution about earth.
To keep the passengers safe when the train stops, you assume a maximum stopping acceleration of g/2. You also guess that a train weighs half a million lbs. For purpose of getting an estimate, you de
At what distance from a backstop will a package need to be placed depending on its weight and knowing it has to hit the backdrop at a velocity of 69 in/sec on a 10 deg angle. What is the distance f
The near surface has a radius of curvature of -12.0 cm and the far surface has a radius of curvature of +14.0 cm. What is the refractive power of the lens?
A dentist uses a small mirror with a radius of 36 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 16 mm from the tooth, what is the magnification of the image?