### PHYSICS HOMEWORK #93 REFLECTION OF LIGHT

What will be the total counter-clockwise torque acting on this system? Is this collision elastic or inelastic? A beam of light is incident on a plane surface separating two media of indexes 1. What is the smallest angle of incidence 01 for which a light ray can emerge from the other side? What will be the resulting velocity of this airplane as measured from the ground?

How much kinetic energy was lost in this inelastic collision? What will be the kinetic energy of this system when the mass reaches the lowest point? What is the velocity of this rocket while orbiting Jupiter at this altitude? Electromagnetic mass wikipedia , lookup. How much total upward force must be exerted by the cable in order to support the weight of the tightrope walker?

What will be the magnitude of the torque exerted by the sign and bracket about the indicated center of rotation? The refractive index of glass with respect to air is 1. Fire resistant light covers The walker is standing part way across the rope as shown. A light ray og on a square glass slab on horizontal face with incident angle 45degrees.

## Answer to Question #93 in Optics for Jacob

Explain and justify numerically! Light waves incident on a material induce small oscillations of polarisation in the individual atoms or oscillation of electrons, in metalscausing each particle to radiate a small secondary wave in all directions, like a dipole antenna.

How much will the spring be compressed just as the ball comes to rest against the spring?

What is the direction of the force acting on the stopper to keep the stopper moving in a circular path? Processes that will be covered include the structure and function of cellular organelles, cellular metobolism, enzymatic processes, cellular respiration and photosynthesis, the cell cycle, DNA replication, mitosis, meiosis, and Mendelian genetics.

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How far liight this car be from its starting point at the end of the journey?

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Suppose that this boat homswork aimed directly up stream. Measure are the angle of incidence, angle of refraction and angle of emergence respectively.

The speed of an automobile increases from A system of pulleys is used to lift the engine [LOAD] out of the engine compartment of a car.

Reflectikn weights are hung from a meterstick, which has a mass of grams, as shown in the diagram to the right. What will be the tension T1 in the tie cable? According to this information, what is the mass of the sun?

# Physics homework #93 reflection of light – Google Docs

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For example, porous materials will absorb some energy, and rough materials where rough is relative to the wavelength tend to reflect in many directions—to scatter the energy, rather than to reflect it coherently.

CCRI has a long history of providing person-centered services to people with disabilities. Note that these are theoretical ideals, requiring perfect alignment of perfectly smooth, perfectly flat perfect reflectors that absorb none of the light. What was the gravitational energy of the cart before it rolls down the incline?

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If the base of the pyramid is rectangle shaped, the images spread over a section of a torus. What will be the magnitude of the centripetal force acting on this car as it passes through the curve at the maximum speed determined above?

For each incident ray, sketch the refracted ray that passes through the acrylic block. How long after the train leaves the station do you catch up with the train? As a result the spring is compressed a distance of A car, which has a mass of kg is moving with a speed of The river has a current of 3.

# A ray of light is incident at an angle of 60 on one face of a rectangular glass slab

What will be the linear velocity of someone standing at the equator of the Earth, assuming that the diameter of the Earth is miles? How high above the ground will this ball be when it reaches the highest reflction What must the velocity of this satellite be in order for the satellite to remain in a stable orbit?

You throw a ball upward with a velocity of With what minimum velocity should this rocket be launched from Neptune’s surface in order to go into orbit around Neptune at the given altitude?

Also whats the angle of deviation and how to get that?