Consider a string of total length L, made up of three segments of equal length. The mass per unit length of the first segment is µ, that of the second is 2µ, and that of the third u/4. The third segment is tied to a wall, and the string is stretched by a force of magnitude T, applied to the first segment; T; is much greater than the total weight of the string. Part A How long will it take a transverse wave to propagate from one end of the string to the other? Express the time t in terms of L, µ, and Tg. · View Available Hint(s) ΑΣφ ? t + II
Gravitational force
In nature, every object is attracted by every other object. This phenomenon is called gravity. The force associated with gravity is called gravitational force. The gravitational force is the weakest force that exists in nature. The gravitational force is always attractive.
Acceleration Due to Gravity
In fundamental physics, gravity or gravitational force is the universal attractive force acting between all the matters that exist or exhibit. It is the weakest known force. Therefore no internal changes in an object occurs due to this force. On the other hand, it has control over the trajectories of bodies in the solar system and in the universe due to its vast scope and universal action. The free fall of objects on Earth and the motions of celestial bodies, according to Newton, are both determined by the same force. It was Newton who put forward that the moon is held by a strong attractive force exerted by the Earth which makes it revolve in a straight line. He was sure that this force is similar to the downward force which Earth exerts on all the objects on it.
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