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A parallel beam of light from a He-Ne laser, with a wavelength of 658 nm, falls on two very narrow slits 0.050 mm apart. How far apart are the fringes in the center of the pattern on a screen 2.3 m away?
a 74 gram block of ice at 0 degrees celcius is placed in 673 grams of water at 27 degrees celcius what is the final temperature of the mixture
A circuit consists of a 12.0-V battery connected to three resistors (44ohm , 17ohm and 110ohm ) in series. Find the current that flows through the battery.
find the time rocket reaches the peak height of trajectory.
Three equal charges of q= +4.00x10^-7 care located at the corners of a right triangle whose sides are the length 6.00cm, 8.00cm, and 10.00cm. Find the net force of the charge located
throw a tennis ball or baseball for distancea. standing still facing in the direction of the throw.b. standing with the
A cylindrical lead rod with a diameter of 2.54 cm and a length of 76.2 cm is initially at a temperature of 20.0 C. After reaching equilibrium, what is the final temperature of the rod and the mercury
Your cup of coffee is too hot to drink when served at 95.What is mass of an ice cube, taken from a -19.0 freezer, that will cool your coffee to a pleasant 62.
A bouncy ball of mass 81 g is thrown straight into a wall at the speed of 23 m/s. What is the impulse applied to the ball by the collision
A uniform chain with a mass of 1.47 kg per meter of length is coiled on a table. One end is pulled upward at a constant rate of 0.381 m/s. Calculate the net force acting on the chain
At a point where an irrigation canal having a rectangular cross section is 18.9 m wide and 3.65 m deep, the water flows at 2.55 cm/s. How deep is the canal at this point
You place 73 moles of hydrogen gas in a balloon of volume 2.6 m3, and find the pressure to be 1.4 times atmospheric pressure. What is the typical speed of a hydrogen molecule?
A particular organ pipe can resonate at 231 Hz, 385 Hz, and 539 Hz, but not at any other frequencies in between. Is it an open or a closed pipe? What is the fundamental frequency of this pipe.
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