a body is thrown from the surface of earth with velocity √gR/2 at some angle from the vertical if the maximum height reached by a body is R/4 , R is the radius of earth, find the angle of projection with vertical
a body is thrown from the surface of earth with velocity √gR/2 at some angle from the vertical if the maximum height reached by a body is R/4 , R is the radius of earth, find the angle of projection with vertical be gaternecvt(s) is'are correct?
An aeronaut Earth to Moon WII experience •weightlessness once.
a tin unto-rn •ell gradually shrinks maintaining its shape, the gravitational
he centre irveaæ.
In spheöcS shell. the plot of potential versus distance from centre is continuous.
(D) In case *hencal •ell, the plot gravitational field intensity I versus distance from
—ntre is
at some angle from the vertical. If
A is hrown fran the efface earth with vdocity
2
main-un height reached by the body is — . Then ct-oose the correct option(s) (R. = Radius
ezt)
the vertical is sin-I
veo±y at maximum height is v =
10
(C) Ü4e prrzecSo.n frTn the vertical is sin-I
6
{D) veodty at maximum height is zero.
d the kiretjc energy required to be given to the satelhte to escape earth's
field to the KE requjred to be gjven so that the satellite moves in a Orcuiar orbit just
Oxe eat's ünosøere.