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Reflection of a Pulse at a Fixed End
Let's assume a pulse moving by a medium - perhaps by a rope or a slinky. What happens to the pulse while it reaches the end of that medium? The answer depends on while the medium is fixed within space or free to move at its end. For instance, if the pulse is moving by a rope and the end of the rope is held firmly through a person, after that it could be said in which the pulse is approaching a fixed end. Instead, if the end of the rope is lying on the floor such in which it is free to move up or down while the pulse reaches its end, after that it could be said in which the pulse is approaching a free end.
Define the Newton's Law of Cooling Newton's Law of Cooling: A cup of hot chocolate has cooled from 92°C to 50°C after 12 min in a room at 22°C. a) What is the value for k (
A block of mass 10 kg is attached to the end of a horizontal spring with spring constant k = 1200 Nm-1. The block is assumed to be sitting on a frictionless horizontal surface.
Voltages relative to earth It is very common in electrical circuits to have an earth connection. This earth connection has no effect on potential differences across components
A load of P57 kN is being hoisted at a constant speed by the motor, M which has a weight of 0.5kN. The beam has a weight of P58 N/m. Assume that the hoisting has stopped at the pos
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P-N junction is (A) A rectifier. (B) An amplifier. (C) An Oscillator. (D) A Coupler. Ans: P-N junction is a rectifier.
why an electron can''t exist in the nucleus .
A point is operating simple harmonic motion with a time period 2πs. At its mean position its speed is 0.05 m/s. Calculate its speed when it is at a distance of 0.04 m from the mean
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a car of mass 800kg is pulling a trailer 300kg where sin a=1|200.Resistance to motion(apart from gravity) is 1.5N per kg of mad for each vehicle.calculate the pulls of the engine a
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