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A parallel beam of light containing red (660 nanometer) and violet (410 nanometer) wavelengths goes from crown glass to water, striking the surface between them at a 48Â degree incident angle. Obtain the angle between the two colors in water?
the mass of a copper atom is 3.12 10-25 kg and the density of copper is 8 920 kgm3 .a determine the number of atoms in
A ball is dropped from height of 20 m above the surface of water in a lake. The refractive index of water is 4 / 3. A fish inside the lake, in the line of fall of the ball, is looking at the ball. At an instant, when the ball is 12.8 m above the wate..
A spacecraft flies away from the earth with a speed of 4.90×106 {\rm m/s} relative to the earth and then returns at the same speed. The spacecraft carries an atomic clock that has been carefully synchronized by an identical clock that remains at rest..
A majorette in a parade is performing some acrobatic twirlings of her baton. Assume that the baton is a uniform rod of mass 0.120kg and length 80.0m With a skillful move, the majorette changes the rotation of her baton so that now it is spinning abou..
A thin spherical shell of mass 0.450kg and diameter 0.150 m is filled with alcohol (ρ = 806 kg/m 3). It is then released from rest at the bottom of a pool of water. Discover the acceleration of the alcohol-filled shell as it starts to rise toward th..
A vertical straight wire carrying an upward 24-A current exerts an attractive force per unit length of on a second parallel wire 7.5 cm away. What current (magnitude) flows in the second wire? What current (direction) flows in the second wire?
A 10 mF capacitor is charged by a 12 Volt battery via 5 kΩ resistor. Find in what time the capacitor acquires voltage 8 Volt
an aiplane accelerates from rest down a runway at 3.20 ms2 for 32.8 s until it finally lifts off the ground. determine
When a certain spring is stretched, the restoring force satisfies the equation F=-kx+βx^3. If k=10.4 N/m and β=101 N/m^3, evaluate the work done by this force when the spring is stretched 0.111 meter
Dinah is playing cards with her friends and it is her turn to deal. A card has a mass of 2.3 g and it slides 0.35 m along the table before it stops. If the coefficient of kinetic friction between the card and the table is 0.24 what was the init..
Conversations with astronauts on the lunar surface were characterized by a kind of echo in which the earthbound person's voice was so loud in the astronaut's space helmet, Calculate the distance from Earth to the Moon
Assume you have a coffee mug with a circular cross section and vertical sides (uniform radius). Find what is its inside radius if it holds 400 gram of coffee
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