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The amplitude of a damped oscillator decreases to 0.9 times its original magnitude in 5s. In another 10s it will decrease to α times its original magnitude, where α equals : - physics 20131 AnswerA harmonic oscillator is oscillating with a frequency of 3 Hz. .Physics CBSE class 11 20160 AnswerThe numerator of a fraction is 3 less than its denominator. If 2 is added to both the numerator and the denominator then the sum of the new fraction and original fraction is 29/20. Find the original fraction. Mathematics CBSE class 10 20151 AnswerThe sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, find the original number. Gate-Agricultural-20161 AnswerUnder what condition(s) is the magnitude of average velocity of an object equal to its average speed? - Physics Cbse class 11 1 AnswerWhat is the meaning of soundarya lahari verses 2 Explain?1 AnswerConsider a uniform plane wave with amplitude E of 10V / m and 1.1GHz frequency travelling in air, and incident normally on a dielectric medium with complex relative permittivity and permeability as shown in the figure.GATE EC 20151 AnswerWhat is the magnitude of the gravitational force between the Earth and a 1 kg object on its surface? (Mass of the Earth is 6 × 1024 kg and radius of the Earth is 6.4 × 106 m). - - Physics Cbse class 11 1 AnswerAn object of mass m is moving in a circular motion of radius r at a constant speed v. Obtain an expression for the magnitude of acceleration of the object. -Physics CBSE class 111 AnswerA farmer moves along the boundary of a square field of side 10 m in 40 s. What will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds from his initial position? -Physics Cbse class 11 1 AnswerAn object of mass 100 kg is accelerated uniformly from a velocity of 5 ms-1 to 8 ms-1 in 6 s. Calculate the initial and final momentum of the object. Also, find the magnitude of the force exerted on the object. - Physics Cbse class 11 1 AnswerAn object experiences a net zero external unbalanced force. Is it possible for the object to be travelling with a non-zero velocity? If yes, state the conditions that must be placed on the magnitude and direction of the velocity. If no, provide a reason. - Physics Cbse class 11 1 AnswerA 1-h rainfall of 10 cm magnitude at a station has a return period of 50 years. The probability that a 1-h rainfall of magnitude 10 cm or more will occur in each oftwo successive years is: GATE- Civil Engineering- 20131 Answer A coin is tossed 200 times and is found tha ta tail comes up for 120 times. Find the probability of getting a tail. CBSE class 0 Mathematics1 AnswerA two digit number is four times the sum of the dig its. It is also equal to 3 times the product of digits. Find the number. CBSE Mathematics1 AnswerA hockey ball of mass 200 g travelling at 10 ms-1 is struck by a hockey stick so as to return it along its original path with a velocity at 5 ms-1. Calculate the change of momentum occurred in the motion of the hockey ball by the force applied by the hockey stick. - Physics Cbse class 11 1 AnswerWhich of the following is true for displacement? -Physics Cbse class 11 1 AnswerAn infinitely long hollow conducting cylinder with inner radius R/2 and outer radius R carries a uniform current density along its length. The magnitude of the magnetic field, | B | as a function of the radial distance r from the axis is best represented by - jee main 2012 physics 1 Answer If Soha’s heart beats 72 times in one minute, how many times does it beat in one hour. - class 5 math 1 AnswerWhat is the meaning of soundarya lahari verses 10 Explain?1 Answer