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With two slits separated by 0.39 mm, the interference pattern has bright fringes by angular spacing0.075°. What is the wavelength of the light illuminating the slits?
a 100 g ice cube at -10deg c is placed in an aluminum cup whose initial temperature is 70deg c. the system comes to an
The light shining on a diffraction grating has a wavelength of 495 nm (in vacuum). Determine how many lines per centimeter does the grating have
You place 110 moles of hydrogen gas in a balloon of volume 2.6m3, and evaluate the pressure to be 1.7 times atmospheric pressure. Find the typical speed of a hydrogen molecule
A student of weight 665 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude of the normal force N on the student from seat is 566 N.
A Ferris wheel rotates because a motor exerts a torque on thewheel. The radius of the London Eye is 67.5 m and its mass is 1.90x 10^6 kg. The cruising angular speed of the wheel is 3.50 x10^–3 rad/s.
Vector A -7.7 x Vector B -3.9 y Find the angle measured counterclockwise from the x axis in degrees
Two charges q1 = 1.1 10-8 C and q2 = -4.8q1 are placed 50 cm apart. Find the point along the straight line passing by the two charges at which the electric field is zero, as measured from q1.
How many molecules are in a volume of 1 m3 at a pressure of 2 atmospheres at a temperature of 0oC? How many moles is this? Does it matter what type of molecules these are (as long as they are gaseous at 0oC)?
A man of mass 76.5 kg walks down the aisle of an airplane at a speed of 1.10 m/s in the forward direction while the plane moves at a speed of 280 m/s relative to the earth
In exercise physiology studies it is sometimes important to determine the location of a person's center of mass. How far from the woman's feet is her center of mass
A puck on a horizontal frictionless table is attached to a string that passes through a hole in a table. Explain what happens to the puck's angular momentum
A swimmer runs horizontally off a diving board with a speed of 3.58 m/s and hits the water a horizontal distance of 1.79 m from the end of the board. How high above the water was diving board.
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