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In a Young's double-slit experiment, two rays of monochromaticlight emerge from the slits and meet at a point on a distantscreen, as in the figure below. The point on the screen where thesetwo rays meet is the eighth-order bright fringe. The difference inthe distances that the two rays travel is 3.98*10-6 m. What is thewavelength of the monochromatic light?
A disk 8.00 cm in radius rotates at a constant rate of 1,200 rev/min about its central axis. Determine its angular speed in radians/sec
A 0.75 kg object is suspended by a string from the ceiling of a car while the car travels in a 30 m radius circle at 25m/s. What angle does the string make with the vertical?
q1. imagine a free electron and a free proton held midway between the plates of a charged equivalent plate capacitor.
a 8150 kg sailboat is moving through the waters of the atlantic. initially the boat is traveling at 30 mph 17 degrees
water moves through a constricted pipe in steady ideal flow. at the lower point the pressure is 1.70 105 pa and the
A 0.390 kg iron horseshoe that is initially at 745 °C is dropped into a bucket containing 24 kg of water at 46 °C. What is the final equilibrium temperature? Overlook any heat transfer to or from the surroundings.
Consider the circuit Take = 6.00 V, L = 8.00 mH, and R = 4.00. What is the inductive time constant of the circuit
A handheld digital multimeter (DMM) is used to measure the portential difference accross the first resistor by placing probe leads at each end of this resistor.
A firehose 15 m long is uncoiled by pulling the nozzle end horizontally along a frictionless surface at the steady speed of 2.9 m/s. How much work has been done on the hose by the applied force
A storage tank at STP contains 19.5 kg of nitrogen (N2). What is the volume of the tank
You're carrying a 4.0-m-long, 23kg pole to a construction site when you decide to stop for a rest. How much force must you exert to keep the pole motionless in a horizontal position
What is the wavelength of light for the least energetic photon emitted in the Balmer series of the hydrogen atom spectrum lines
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