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Two identical sinusoidal waves by wavelengths of 2.00 m travel in the same direction at a speed of 1.50 m/s. The second wave originates from the similar point as the first, however at a later time. The amplitude of the resultant wave is the similar as that of each of the two initial waves. Decide the minimum possible time interval among the starting moments of the two waves.
A box of 25cm by 25cm by 25cm is placed in water, when a rat is placed on top of the box the box goes down by 2cm. what is the weight of the rat
Thermal energy can shift some of the electrons in a hot semiconductor from valence levels to conduction levels. What effect do these shifts have on the semiconductor's ability to conduct electricity.
A spherical cavity of radius 4.00 is at the center of a metalsphere of radius 18.5 . A point charge 6.00 rests at the very center of the cavity, whereas the metal conductor carries no netcharg Determine the electric field at a point 2.00 from the ..
A fiber optic line is composed of a core with an index of refraction of 1.47 and cladding with an index of 1.31. Which one of the following relations best describes angles of incidence ? that will result in total internal reflection within the fib..
A thin ray of light enters a container ofroom-temperature liquid from the air. Its angle of incidence is49°. What is the index of refraction of the liquid
The masses of the Pluto and Charon are 1.31×10^22 kg and 1.52×10^21 kg, respectively, Where is the center mass of this system located
The kinetic energy of an object is increased by a factor of 7, by what factor is the magnitude of its momentum changed
A projectile is fired with an initial muzzle speed 440 m/s at an angle 45 from a position 6 meters above the ground level. At what speed does the projectile hit the ground
1. two 0.85-m-long pendulums hang side by side. the masses of the pendulum bobs are 75 g and 95 g. the lighter bob is
When a fighter pilot makes a very quick turn, he experiences a centripetal acceleration. What is the minimum radius of curvature that he can take without blacking out
An ?-particle has a charge of +2e and a mass of 6.64 × 10-27 kg. find the magnitude of the magnetic force on it
At a certain distance from a charged particle, the magnitude of the electric field is 502 V/m and the electric potential is -3.40 kV. What is the distance to the particle
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