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An electrically neutral model airplane is flying in a horizontal circle on a 4.0-m guideline, which is nearly parallel to the ground. The line breaks when the kinetic energy of the plane is 50 J. Reconsider the same situation, except that now there is a point charge of +q on the plane and a point charge of -q at the other end of the guideline. In this case, the line breaks when the kinetic energy of the plane is 52.5 J. Find the magnitude of the charges.
What mass (in grams) of steam at 100°C must be mixed with 124 g of ice at its melting point, in a thermally insulated container, to generate liquid water at 37.0°C.
Furthermore, describe any differences in kinetic energy and gravitation potential energy among these balls while they hit the ground.
a 20kg door is spun for 27 s at an anglular speed of 1.2 rev/s by two seperate simultaneous forces. One pushes with force of 53 N, What is the work done by torque spinning the door
A Li-6 nucleus has a mass of 6.015121 u The mass of a single proton is 1.007276 u, What is the binding energy of lithium
A jet aircraft with a mass of 4,675 kg has an engine that exerts a force (thrust) equal to 60,100 N. what is the jet's acceleration
Planet Z is 7000km in diameter. The free-fall acceleration on Planet Z is 10.0m/s2, What is the free-fall acceleration
A ray of light is incident on the surface of a block of clear ice at an angle of 35.0 degrees with the normal. Find the angle between the reflected and refracted angle
Two equally charged, 1.00 g spheres are placed with 2.00 cm between their centers. find the magnitude of the charge on each sphere
A lighthouse sweeps its beam of light around in a circle once every 6.0 s. To an observer in a spaceship moving away from Earth, What is the speed of the spaceship relative to Earth
A soap film whose index of re%uFB02ecetion is 1.33 is suspended in air. When sunlight strikes the film nearly perpendicularly, Find the thickness of the film
What is the magnitude T of the tension force acting on one edge of the section while the internal bladder pressure is 2700Pa and each of the four tension forces is directed 6.4° below the horizontal.
The drawing shows six point charges arranged in a rectangle. The value of q is 9.0 uC, and the distance d is 0.13 m. Find the total electric potential at location P
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