A small sphere of radius r falls from rest

Asked by admin @ 11/08/2021 in Math viewed by 264 People

A small sphere of radius r falls from rest in a viscous fluid

Answered by admin @ 11/08/2021

✴ola!!✴

⤵⤵answer⤵⤵

A small sphere of radius `r' falls from rest in a viscous liquid. As a result, heat is produced due to viscous force. The rate of production of heat when the sphere attains its terminal velocity, is proportional to. ✔✔

tysm❤

Two small conducting spheres of equal radius have charges

Asked by admin @ 20/08/2021 in Physics viewed by 496 persons

1. Two small conducting spheres of equal radius have charges +10μC and -20μC respectively and placed at a distance R from each other experience force F1. If they are brought …

A concrete sphere of radius r has a cavity

Asked by admin @ 17/08/2021 in Physics viewed by 295 persons

A concrete sphere of radius R has a cavity of radius r which is packed with sawdust. The specific gravities of concrete and sawdust are respectively 2.4 and 0.3 for …

A uniform sphere of mass m and radius r

Asked by admin @ 13/08/2021 in Physics viewed by 345 persons

A uniform sphere of mass M and radius R is surrounded by a concentric spherical shell oof same mass but radius 2R . A point mass m is kept at …

A solid sphere of uniform density and radius r

Asked by admin @ 13/08/2021 in Physics viewed by 369 persons

A solid sphere of uniform density and radius R apies a grav force of attraction =F1 on a particle placed at A distance of 2R fro the centre of the …

Twenty seven solid iron spheres each of radius r

Asked by admin @ 20/08/2021 in Math viewed by 295 persons

"Question 9 Twenty seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S'. Find the (i) radius r' …

Two small spheres each carrying a charge q

Asked by admin @ 31/08/2021 in Math viewed by 367 persons

2 small spheres each carrying a charge q are placed r m apart and they interact with a force f. if one of the sphere is taken around the oyher …

A wire of length l and radius r

Asked by admin @ 31/08/2021 in Physics viewed by 305 persons

A wire of length l radius r is stretched by a force f and a second wire of same material with kength 2l and radius 2r is stretched with a …

A conducting ring of radius r is placed perpendicularly

Asked by admin @ 23/08/2021 in Physics viewed by 302 persons

a conducting ring of radius r is placed perpendicularly inside a time varying magnetic field given by B=Bi+ alpha•t. Bi and alpha are positive constant.Emf induced in the ring is

A circular hoop of mass m and radius r

Asked by admin @ 23/08/2021 in Physics viewed by 341 persons

A circular hoop of mass m and radius R rests flat on a horizontal frictionless surface. A bullet also of mass m, and moving with a velocity v, strikes the …

A wheel of radius r is placed on ground

Asked by admin @ 20/08/2021 in Physics viewed by 397 persons

A wheel of radius R is placed on ground and its contact point is P. if wheel starts rolling without slipping and completes half a revolution, find the displacement if …

A spherical ball of mass m and radius r

Asked by admin @ 20/08/2021 in Physics viewed by 307 persons

A spherical ball of mass m and radius r rolls without slipping on a rough concave surface of large radius R. It makes small oscillation about the lowest point. Find …

A round balloon of radius r subtends an angle

Asked by admin @ 20/08/2021 in Math viewed by 281 persons

A round balloon of radius 'r' subtends an angle 'alpha' at the eye of the observer while the angle of elevation of its centre is beta. Prove the height of …

A particle describes a horizontal circle of radius r

Asked by admin @ 20/08/2021 in Physics viewed by 328 persons

Solve it A particle describes a horizontal circle of radius r on a smooth surface of an inverted cone as shown the height of the plane of circle above vertex …

The radius of a sphere is increased by 10

Asked by admin @ 20/08/2021 in Math viewed by 305 persons

The radius of a sphere is increased by 10% . Prove that the volume will be increased by 33.1% .

A metal ball of radius r is placed concentrically

Asked by admin @ 17/08/2021 in Physics viewed by 367 persons

A metal ball of radius `r` is placed concentrically inside hollow metal sphere of inner radius `2r` and outer radius `3r`.The ball is given a charge `+2q` and the hollow …