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Two microphones are located on the Y axis. One(1) is at the origin and the other(2) is at y= 1.5 meters. A source of sound is located on the positive X axis at distances L1 from (1) and L2 from (2). If the speed of sound is 343 m/s and the sound reaches microphone 2 at a time of 1.6 milliseconds later than microphone 1, how far is the source of sound from each microphone?
A particular fish tank filled with fresh water (n=1.33) has a coral reef sticker stuck to an exterior wall(outside of the tank). What is the index of refraction of the tank's walls
A cup of water is heated with a heating coil that delivers 14.87W of heat. What is the mass of the water
A soldier has a huge contraption that notches a large 4 kg arrow (it looks more like a lance) in a massive bow and uses a winch system to draw the arrow back to set the bow. What is the speed of the arrow
A hoop and a disk, both of 0.46- m radius and 3.0- kg mass, are released from the top of an inclined plane 3.0 m high and 9.0 m long. What is the speed of the disk
A staging that weighs 440 N supports two painters, one 110 N and the other 460 N. The reading in the left scale is Ft = 800 N. What is the reading Fr, in the right hand scale.
A large rock that weighs 164.0 N is suspended from the lower end of a thin wire that is 3.00 m long. The density of the rock is 3200 kg/m^3. What is the density of the liquid
A boat has a mass of 6800 kg. Its engines generate a drive force of 4000 N, find the magnitude and direction of the boat's acceleration
A pump is required to lift a mass of 770 kg of water per minute from a well of depth 14.2 m and eject it with a speed of 17.5 m/s. How much kinetic energy does the pump give the ejected water
An ocean liner leaves New York City and travels 19.2 ° north of east for 186km. How far east and how far north has it gone? In other words, what are magnitudes of the components of the ship's displacement vector in the directions (1) due east and ..
A 2.80 kg gold bar at 98 degrees celcius is dropped into 0.34 kg of water at 23 degree celcius. what is the final temperature? assume the specific heatof gold is 129 J/kg
In an elementary-particle experiment, a particle of mass m is red, with momentum mc, at a target particle of mass 2squrt (2m) . The two particles form a single new particle (completely inelastic collision).
Estimate the area of the plates needed to achieve a capacitance of 1 F, given the same air gap, What is the electric field between the plates
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