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A fish finder uses sonar to find fish under water. It does this by sending out a pulse of sound and measuring the time for the sound to return. If it takes 0.016 s for sound to be detected after being emitted, how far away are the fish? Hint, the speed of sound in water is 1440 m/s.
Eight grams of Helium is at an initial volume of 25 litres and temperature of 300 K. What is the final temperature of the gas? What is the pressure exerted by the Helium on its container? What is the pressure exerted by the Helium on its container?
Assume that sunlight at the surface of Earth has an average intensity of 1.15E+3 W/m2. Calculate the rms value of the magnetic field in the sunlight
The mass of a regulation tennis ball is 52.0g (although it can vary slightly), and tests have shown that the ball is in contact with the tennis racket for 26.0m/s}. what impulse did he exert on the ball
A cannon is placed on the ground and angled 36.87 above thehorizon, to shoot a balloon wich is 500 meters away. At what time does the cannon pass under the ballon
Water is contained in a closed, rigid, 0.25 m3 tank at an initial pressure of 5 bar and a quality of 60%. Determine the final mass of vapor in the tank
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.13 x 104 m/s, and the radius of the orbit is 3.77 x 106 m. What is the orbital speed of the second satellite
A hoop of mass M and radius R is rotating about an axle at the edge of the hoop. what is the speed of the lowest point on the hoop
the relativistic heavy ion collider rhic at brookhaven iscolliding fully ionized gold au nuclei accelerated to an
A 1250 kg car is moving at 5.0 m/s collides with and couples with the 750 kg car. What is the resulting speed of the coupled cars.
Determine the current through a 2.9-ohms flashlight filament when connected across two 1.5-V batteries in series (a potential difference of 3.0 V)
A Goodyear blimp typically contains 5500m3 of helium (He) at an absolute pressure of 1.1multiplied by 105 Pa. What is the mass of the helium in the blimp
A small object with a mass of 333 mg carries a charge of 30.0 nC and is suspended by a thread between the vertical plates of the parallel-plate capacitor. The plates are separated by 2cm.
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