See Our team
Wondering how we keep quality?
Got unsolved questions? Ask Questions
Engineering GATE CBSE NCERT Psychology English Computer Constitution Astrology Yoga Economics Physics Biology Electronics Microprocessor Career Interview Anatomy Botany
A solid sphere of radius r1 = 20 mm is placed concentrically inside a hollow sphere of radius r2 = 30 mm as shown in the figure. (Gate mechanical engineering 2014)1 AnswerA spherical metal A of radius RA and a solid metal sphere B of radius RB (< RA) are kept far apart and each is given charge ‘+Q’. Now they are connected by a thin metal wire. Then -jee main 2012 physics 1 AnswerFind the equation of the sphere through the point (2,0,1), (1,-5,-1), (0,-2,3) and (4,-1,2). Also find its centre and radius0 AnswerThe dimensions of a solid iron cuboid are 4.4 m × 2.6 m × 1.0 m. It is melted and recast into a hollow cylindrical pipe of 30 cm inner radius and thickness 5 cm. Find the length of the pipe. Mathematics CBSE class 10 20171 AnswerIf the radius of a sphere is doubled then what is the ratio of their volumes? CBSE class 9 Mathematics0 AnswerFind the radius of a sphere whose surface area is 154cm2. CBSE class 9 Mathematics 1 AnswerA circular solid disc of uniform thickness 20 mm, radius 200 mm and mass 20 kg, is used as a flywheel. If it rotates at 600 rpm, the kinetic energy of the flywheel, in Joules is -Mechanical Engineering-gate-20121 AnswerAn annular disc has a mass m, inner radius R and outer radius 2R. The disc rolls on a flat surface without slipping. If the velocity of the centre of mass is v, the kinetic energy of the disc is: (-Gate mechanical 2014)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 AnswerThe moment of inertia of a solid sphere about a tangent is 2/5 MR^2. Find its moment of inertia about its diameter. -Physics Cbse class 11 1 AnswerFill in the blank: GATE-Biotechnology-20171 AnswerA force P is applied at a distance x from the end of the beam as shown in the figure. What would be the value of x so that the displacement at ‘A’ is equal to zero? (-Gate mechanical engineering 2014)1 AnswerA four-wheel vehicle of mass 1000 kg moves uniformly in a straight line with the wheels revolving at 10 rad/s. The wheels are identical, each with a radius of 0.2 m. Then a constant braking torque is applied to all the wheels and the vehicle experien1 AnswerA solid wooden toy is in the form of a hemisphere surrounded by a cone of same radius. The radius of hemisphere is 3.5 cm and the total wood used in the making of toy is 166 (5/6) cm^3. Find the height of the toy. ALso find the cost of painting the h1 AnswerThe diameter of a recessed ring was measured by using two spherical balls of diameter d2 =60 mm and d1=40 mm as shown in the figure. (-Gate mechanical engineering 2014)1 AnswerA pipe of 25mm outer diameter carries steam. -gate-mechanical-20111 Answern the steel structure (Young’s modulus = 200 GPa) shown in the figure, all members have a circular cross-section of radius 10 mm. Column BD is pinned at B and D. The support at A is hinged. The minimum value1 AnswerFind the volume of wood in the toy. Mathematics CBSE class 10 20131 AnswerA sphere of diameter 12 cm, is dropped in a right c ircular cylindrical vessel, partly filled with water. If the sphere is completely submerged i n water, the water level in the cylindrical vessel rises by 359 cm. Find the diamet er o1 AnswerThe real root of the equation 5x − 2cosx −1 = 0 (up to two decimal accuracy) is ____. (Gate mechanical engineering 2014)1 Answer