A uniform string of length 20 m is suspended from rigid support. A short wave pulse is introduced at lowest end and it starts moving up.What is time taken to reach the support?

Anonymous User Physics 31 Jul, 2020 70 views

Space between two concentric conducting spheres of radii a and b (b>a) is filled the medium of resistivity .The resistance between two spheres is?

Anonymous User Physics 29 Jul, 2020 83 views

A ball is thrown upward with an initial velocity from the surface of the earth.The motion of the ball is affected by a drag force equal to (where m is mass of the ball, v is the instantaneous velocity and is constant).Time taken by the ball to rise to its zenith is?

Anonymous User Physics 26 Jul, 2020 128 views

A uniform rectangular thin sheet ABCD of mass M has a length a and breadth b as shown in a figure.If the shaded portion HBGO is cut off then what will be the co-ordinate of the centre of mass of remaining portion. Anonymous User Physics 24 Jul, 2020 91 views

The acceleration due to gravity on the planet A is 9 times of the acceleration due to gravity on the planet B. A man jumps to a height of 2 m from the surface of planet A. What is height of jump of same person on planet B

Anonymous User Physics 24 Jul, 2020 68 views

## if x1,x2,x3 are the roots of x^4-1 = 0 and w is the complex cube root of unity, the value of?  Anonymous User Maths Quadratic Equation 19 Jul, 2020 267 views