Physics-
General
Easy
Question
A ball is thrown vertically upward. Ignoring the air resistance, which one of the following plot represents the velocity-time plot for the period ball remains in air?
The correct answer is:
During upward motion the velocity is decreasing while during downward motion the velocity is increasing in downward direction.
The graph plot is as shown.
Related Questions to study
physics-
The velocity of a particle moving in a straight line varies with time in such a manner that 
graph is velocity is 
and the total time of motion is 
i) Average velocity of the particle is 
ii) such motion cannot be realized in practical terms
The velocity of a particle moving in a straight line varies with time in such a manner that graph is velocity is and the total time of motion is
i) Average velocity of the particle is
ii) such motion cannot be realized in practical terms
physics-General
physics-
Figure given shows the distance –time graph of the motion of a car. It follows from the graph that the car is
Figure given shows the distance –time graph of the motion of a car. It follows from the graph that the car is
physics-General
physics-
The displacement-time graphs of two moving particles make angles of 
and 
with the 
-axis. The ratio of the two velocities is
The displacement-time graphs of two moving particles make angles of and with the -axis. The ratio of the two velocities is
physics-General
physics-
An elevator is going up. The variation in the velocity of the elevator is as given in the graph. What is the height to which the elevator takes the passengers?
An elevator is going up. The variation in the velocity of the elevator is as given in the graph. What is the height to which the elevator takes the passengers?
physics-General
physics-
The variation of velocity of a particle with time moving along a straight line is illustrated in the following figure. The distance travelled by the particle in four seconds is
The variation of velocity of a particle with time moving along a straight line is illustrated in the following figure. The distance travelled by the particle in four seconds is
physics-General
physics-
The time taken by a block of wood (initially at rest)to slide down a smooth inclined plane 
long (angle of inclination is ) is
The time taken by a block of wood (initially at rest)to slide down a smooth inclined plane long (angle of inclination is ) is
physics-General
physics-
A body is at rest at 
At 
it starts moving in the positive 
direction with a constant acceleration. At the same instant another body passes through 
moving in the positive direction with a constant speed. The position of the first body is given by 
after time 
and that of the second body by 
after the same time interval. Which of the following graphs correctly describes 
as a function of time 
A body is at rest at At it starts moving in the positive direction with a constant acceleration. At the same instant another body passes through moving in the positive direction with a constant speed. The position of the first body is given by after time and that of the second body by after the same time interval. Which of the following graphs correctly describes as a function of time
physics-General
physics-
A frictionless wire 
is fixed on a sphere of radius 
. A very small spherical ball slips on this wire. The time taken by this ball to slip from 
to 
is
A frictionless wire is fixed on a sphere of radius . A very small spherical ball slips on this wire. The time taken by this ball to slip from to is
physics-General
physics-
In figure, one car at rest and velocity of the light from head light is 
, then velocity of light from head light for the moving car at velocity 
, would be
In figure, one car at rest and velocity of the light from head light is , then velocity of light from head light for the moving car at velocity , would be
physics-General
physics-
A body starts from rest and moves with uniform acceleration. Which of the following graphs represent its motion
A body starts from rest and moves with uniform acceleration. Which of the following graphs represent its motion
physics-General
physics-
If the velocity of a particle moving along a straight line decreases linearly with its displacement 
from 20
to a value approaching zero 
m, then acceleration of the particle at 
m is
If the velocity of a particle moving along a straight line decreases linearly with its displacement from 20 to a value approaching zero m, then acceleration of the particle at m is
physics-General
physics-
The graph of displacement 
time is Its corresponding velocity-time graph will be
The graph of displacement time is Its corresponding velocity-time graph will be
physics-General
physics-
The displacement-time graph of moving particle is shown below The instantaneous velocity of the particle is negative at the point
The displacement-time graph of moving particle is shown below The instantaneous velocity of the particle is negative at the point
physics-General
physics-
A body begins to walk eastward along a street in front of his house and the graph of his position from home is shown in the following figure. His average speed for the whole time interval is equal to
A body begins to walk eastward along a street in front of his house and the graph of his position from home is shown in the following figure. His average speed for the whole time interval is equal to
physics-General
Maths-
In a 
, H is the orthocentre and D is the mid point of 
Segment HD is produced to T such that HD=DT. Then the ratio 
equals to ;
Hence 2:1 is the correct option
In a , H is the orthocentre and D is the mid point of Segment HD is produced to T such that HD=DT. Then the ratio equals to ;
Maths-General
Hence 2:1 is the correct option
