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The single slit diffraction pattern shown below was made with light with λ = 570 nm. The screen was 2.6 m from the slit. If the slit had a width 8 mm, what is the width w of the central maximum in cm?
A spring with constantk = 40 N/m is at thebase of a frictionless, 30 inclined plane. how far does it go up the incline before it stops
You work for a moving company and are given the job of moving two crates (masses are 130kg and 280kg) held together by a rope attached between the two. You pull on a rope attached to the larger crate giving the system the acceleration of 0.29m/s2. Wh..
The femur is a bone in the leg whose minimum cross-sectional area is about 4.5 x 10-4 m2. A compression force in excess of 7.7 x 104 N will fracture this bone. Bone has a compression Young's modulus of 9.4 x 10^9 N/m2
A coffee filter of mass 1.5 grams dropped from a height of 2 m reaches the ground with a speed of 0.7 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter? begin from the Energy Principle, and choose as the s..
A cube of ice is taken from the freezer at -9.5°C and placed in a 105 g aluminum calorimeter filled with 323 g of water at room temperature of 20°C. What was the mass of the ice cube
In measuring an RL circuit, you find that the total resistance of the circuit is 60 ohms and that t1/2 is 0.000836 seconds. Find the inductance of the circuit
A beam of hydrogen molecules (H2) is directed toward awall, at an angle of 50° with thenormal to the wall. What is the beam's pressure on the wall
A 1500 W radiant heater os ocnstructed to operate at 110V. How much thermal energy is produced in 1 hour by the heater
The speedometer of a truck shows the linear velocity of the truck but actually measures the angular velocity of the wheels and converts that to the linear velocity. If the tires are changed out and larger diameter tires replace the stock tires, does ..
A turntable has rotational inertia I and is rotating with angular speed w about a frictionless vertical axis. A wad of clay with mass m is tossed onto the turntable and sticks a distance d from the rotation axis. The clay hits horizontally with it..
At an outdoor market, a bunch of bananas attached to the bottom of a vertical spring of force constant 16.0 N/m is set into oscillatory motion with an amplitude of 20.0 cm. What is the weight of the bananas in newtons
A 77-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 841 N. What is the acceleration of the elevator
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