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The string of a pendulum is horizontal. Mass of the bob is m. Now the string is released, what is the tension in the string at lowest position Ans) If string length is L, Conserving energy, velocity at lowest point is (2gL)1/2 Centripetal force mv2/L= 2mg. T- mg= mv2/LT= 3mg
Explain Simple Pendulum The most familiar example of a pendulum is a person on a swing. The person will swing back and forth if pushed or pulled from where the swing naturally h
Electrons are emitted from a photosensitive surface when it is illuminated by green light but electron emission does not take place by yellow light. Will the electrons be emitted w
An electron in the hydrogen atom loses 3.02 eV as it falls to energy level E 2 . From which energy level did the atom fall?
This is the virtue of a material resists flow of electric current. It should be as high as possible. When material is subjected to an electrical pressure then will always be a flow
Q. What is fluorescence? When an atomic or else molecular system is excited into higher energy state by absorption of energy it returns back to lower energy state in a time les
A 2.1 kg block slides along a horizontal surface with a coefficient of kinetic friction μ k = 0.31. The block has a speed v = 1.4 m/s when it strikes a massless spring head-on.
Presbyopia: The accommodation power of a person is lost by which the suffers a long sightedness. It is known as Presbyopia or lack of accommodation.
Can a contour map explain a cause and effect relationship among three variables?
in water equivalent how the temperature or water and solid equal?
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