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Two idenical wavelengths λ = 4.00 meters are emitted from separate sounces. At a certain obsevation point, the path-lengh difference between two waves is 5.00 meters. At a fixed point of time (ie, at some snapshot of time), what is the phase difference at the obsevation poimt?
A Carnot engine has an efficiency of 18.2%. It operates between constant-temperature reservoirs differing in temperature by 138 C °. determine the temperature of the cold reservoir
A hockey player strikes a puck that is initially at rest. The force exerted by the stick on the puck is 960 N, Find the impulse imparted by the stick to the puck
The water in a tank is at a gauge pressure of 259,181 Pa. If the bottom of the tank that has an area of 0.6 m2, what is the force on the bottom of the tank
Sam is taking his girlfriend Sally out for a ride in his boat. He starts out at rest. He accelerates with an acceleration of 0.168 m/s^2 for 85.6 s. What is the total time the boat moves
when two identical ions are separated by a distance of 6.0times10-10 m the electrostatic force each exerts on the other
A circular-motion addict of mass 95 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 6.4 m/s. What is the magnitude of the normal force on the addict from the seat when both go through the highest point of t..
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 19.0 m/s at an angle 48.0 degrees; What is the vertical component of the ball's velocity right before Sarah catche..
You place 108 moles of hydrogen gas in a balloon of volume 2.3 m3, and find the pressure to be 1.6 times atmospheric pressure. What is the typical speed of a hydrogen molecule?
A point charge q1=4nC is placed at the origin, and a second point charge q2= -3nC is placed on the x-axis at x= 20 cm. A third point charge q3=2.00 nC is to be placed on the x-axis between q1 and q2.
A nickel has a mass of about 5 grams. If all of this mass could be converted to energy, how many Hiroshima sized bombs would this be
A screw with 15 threads per centimeter is driven 1.01 cm into its fixture in 11.2 s with a cordless electric screwdriver. What is the average angular speed of the screwdriver
Light in a vacuum is incident on a transparent glass slab. Theangle of incidence is 35.6°. What is the index of refraction of the liquid
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