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A body of mass 2 kg thrown vertically upwards with a velocity 40 m/s comes to instantaneous rest at a height 50 m. Is there any other force (other than gravitational force), if yes then calculate the value. Ans) Yes , a force due to air drag will be there , to calculate this wehave to first find work done by air drag..Acc. To work-energy theoremWgravity + Wair drag = change in K.E.-Mgh +Wair drag = change in K.E.Wair drag =change in K.E. +mgh=[0-1/2mu2] +mgh = -1/2 x 2 x (40)2 + 2x 10 x 50 = -1600+1000 = -600Jnow w.d. = F x sF= -600/50 = -12N
Can I light a house with a fiber optic? A house can be light with anything, by candles and gas lamps to fiber optics. However, there is the question, of the efficiency of the s
Tin: Atomic number 50 Symbol Sn Atomic weight 118.69 Discovery Known since ancient
Write a mathematical expression for refractive index of the material of a prism in terms of its angle. Is the mathematical expression true for all positions of the prism?
1. The probability of dissociation of water into H + and OH - , to a good approximation, can be characterized by the Boltzmann distribution: W ≈ e -Eα/ KT If, at 27°C, 1.
Define the interplanar spacing in miller indices. Interplanar spacing d in a cubic lattice Interplanar spacing into a cubic crystal is specified by d = a/(√(h2 + k2 + l
A coil of inductance 100 mH and resistance 800Ω is connected in parallel with a variable capacitor across a 12V, 5kHz supply. Determine for the condition when the supply curre
whatis meant by kinametic?
What is cardiac output? Cardiac output is the volume of blood the heart pumps within a minute. Cardiac output (CO) is equivalent to the stroke volume (SV) of the heart multipli
Q. Derive Schrodinger's time dependent wave equation. What is the physical significance of wave function used in this equation? Ans. Time Dependent Schrodinger's Eq
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