Maths-
General
Easy
Question
If a particle is thrown vertically upwards with a velocity of u cm/sec under gravity, then the time for the particle to come to earth again is
- None of these
The correct answer is:
as the particle come back to earth.
So, 
sec.
Related Questions to study
maths-
A lizard, at an initial distance of 21cm behind an insect, moves from rest with an acceleration of 
and pursues the insect which is crawling uniformly along a straight line at a speed of 
. Then the lizard will catch the insect after
A lizard, at an initial distance of 21cm behind an insect, moves from rest with an acceleration of and pursues the insect which is crawling uniformly along a straight line at a speed of . Then the lizard will catch the insect after
maths-General
maths-
Two cars A and B are moving uniformly on two straight roads at right angles to one another at 40 and 20 km/hr respectively. A passes the intersection of the road when B has still to move 50 km to reach it. The shortest distance between the two cars and the time when they are closest are
Two cars A and B are moving uniformly on two straight roads at right angles to one another at 40 and 20 km/hr respectively. A passes the intersection of the road when B has still to move 50 km to reach it. The shortest distance between the two cars and the time when they are closest are
maths-General
chemistry-
In the given arrangement, on pressing the key, the
In the given arrangement, on pressing the key, the
chemistry-General
chemistry-
A schematic plot of ln Keq versus inverse of temperature for are action is shown below
The reaction must be
A schematic plot of ln Keq versus inverse of temperature for are action is shown below
The reaction must be
chemistry-General
chemistry-
For which of the following reaction 
For which of the following reaction
chemistry-General
chemistry-
Some gaseous equilbrium are following -
then find out the relation between equilbrium constant -
Some gaseous equilbrium are following -
then find out the relation between equilbrium constant -
chemistry-General
chemistry-
If some He gas is introduced into the equilibrium 
at constant pressure and temperature then equilibrium constant of reaction
If some He gas is introduced into the equilibrium at constant pressure and temperature then equilibrium constant of reaction
chemistry-General
chemistry-
Normality of 
solution nearly -
Normality of solution nearly -
chemistry-General
biology
Grasses & many crop plants which possess hydathodes & exhibit guttation are
Grasses & many crop plants which possess hydathodes & exhibit guttation are
biologyGeneral
biology
Path of energy flow in a n ecosystem is
Path of energy flow in a n ecosystem is
biologyGeneral
chemistry-
The principle functional group of the following compound is ................
The principle functional group of the following compound is ................
chemistry-General
chemistry-
What will be the IUPAC name of the given compound ?
What will be the IUPAC name of the given compound ?
chemistry-General
chemistry-
IUPAC name of the following compound will be ............
IUPAC name of the following compound will be ............
chemistry-General
chemistry-
The correct IUPAC name of the compound
is....
The correct IUPAC name of the compound
is....
chemistry-General
chemistry-
Predict the IUPAC name of
Predict the IUPAC name of
chemistry-General
