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In a Young's double-slit experiment, a set of parallel slits with a separation of0.102mm is illuminated by light having a wavelength of565nm and the interference pattern observed on a screen3.50m from the slits.
The difference in piezometric pressure, pz,A – pz,B. Express both answers in kPa and pressure differences pA - pB.
sam whose mass is 66 kg takes off across level snow on his jet-powered skis. the skis have a thrust of 270 n and a
A solid, uniform sphere of mass 2.0 kg and radius 1.7 m starts from rest and rolls without slipping down an inclined plane of height 5 m. What is the angular velocity of the sphere
In a women's 100-m race, accelerating uniformly, Laura takes 1.98 s and Healan 3.17 s to attain their maximum speeds, What is the maximum distance by which Healan is behind Laura
A cannon is rigidly attached to a carriage, which can move along horizontal rails, but is connected to a post by a large spring, Find the maximum force the spring exerts on the carriage
q1. the total momentum of a closed system is observed to be 670 kgms east. the system consists of 36 objects that are
The tires of a car make 66 revolutions as the car reduces its speed uniformly from 86km/h to 31km/h . The tires have a diameter of 0.81m. What was the angular acceleration of the tires
The Gravitron single-car roller coaster consists of a singleloop-the-loop. The car is initially pushed, giving it just theright mechanical energy so the riders on the coaster will feel"weightless" when they pass through the top of the circular arc..
If the light is blue, with a wavelength of 450 nm, at about what distance from the center of the interference pattern will the first-order maximum appear
On a workday an average decibel level of the busy street is 89 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 30 every minute on a weekend, what is the decibel level of street.
A heart pacemaker fires 74 times a minute, each time a 26.0-nF capacitor is charged (by a battery in series with a resistor) to 0.632 of its full voltage. What is the value of the resistance
A copper rod 87cm long is used to poke a fire. The hot end of the rod is maintained at 103%u2218C, What is the temperature of the rod 26cm from the cool end
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