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Violet light falls on a surface with two small slits 1.9x10-4 cm apart. A first-order line appears 13.2 cm from the central bright spot on a screen opposite the slits. The distance from the center of the slits to the first-order violet line is 60 cm. What is the wavelength of the violet light?
Four identical charged particles (q = +10.9 µC) are located on the corners of a rectangle as shown in the figure below. The dimensions of the rectangle are L = 56.4 cm and W = 14.9 cm
A bicycle being repaired is turned upside down, and one wheel isrotated at a rate of 60 rpm, how many revolutions does it make during this time
A skier (m=63.0 kg) starts sliding down from the top of a ski jump with negligible friction and takes off horizontally. Find her total kinetic energy as she reaches the ground
the resistivity of silver at 20 degrees C is 1.59 x 10^-8 ohms*m and it temp coefficient is 0.0061/degree C. Find resitance of silver wire at 43 degree C
A ski gondola is connected to the top of a hill by a steel cable oflength 680 m and diameter 1.5 cm. As thegondola comes to the end of its run, What is the speed of the pulse
A speeder is pulling directly away and increasing his distance from a police car that is moving at 23 m/s with respect to the ground. Find the speeder's speed with respect to the ground
a mother pulls her daughter whose mass is 22.1 kg and who is sitting on a swing with ropes of length 2.87 m backward
A sealed container of volume 0.10 m3 holds a sample of 3.0 × 1024 atoms of helium gas in equilibrium. What is the average kinetic energy of the helium atoms
The ends of a thin bar are maintained at dissimilar temperatures. The temperature of the cooler end is 14°C, while the temperature at a point0.12 m from the cooler end is 23°C and the temperature of the warmer end is 43°C. Assuming that heat flows me..
Initially an unpolarized light with intensity I is sent through a polarizer with its axis set to zero degrees. what is the angle of the second polarizer
The Potential in a region of space is given by V = (100 V)[(x2 - y2)/z2], where x, y, and z are in meters. Find the Electric Field vector at a point (x, y, z) = (1.0 m, 2.0 m, 3.0 m)
To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, Over what distance must the lens be movable
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