A body of mass m falls from rest from height of R/4above the earth's surface, where R is the radius ofearth. Kinetic energy of the body just before it touches the earth's surface is \lbrack g accelerationdue to gravity on the surface of earth\rbrack

Open in App

Solution

Suggest Corrections

Similar questions

Q. A body of mass

m

rises to height

h = R / 5

from the earth's surface, where

R

is earth's radius. If

g

is acceleration due to gravity at earth's surface, the increase in potential energy is

Q. The kinetic energy required to project a body of mass

m

from earth's surface (radius

R

) to just escape from earth's atmosphere

Q. What is the kinetic energy needed to project a body of mass

m

from the surface of the earth to infinity. Radius of earth is

R

and acceleration due to gravity on earth's surface is

g

Q. The radius of the earth is

R

and acceleration due to gravity at its surface is '

g

'. If a body of mass '

m

' is sent to a height of

R / 4

from the earth's surface, the potential energy is:

A body of mass m kg. starts falling from a point 2R above the earth’s surface. Its kinetic energy when it has fallen to a point ‘R’ above the eart’s surface [R – Radius of earth, M – Mass of earth, G – Gravitational constant]

Join BYJU'S Learning Program