Physics-
General
Easy
Question
The relation 
describes the displacement of a particle in one direction where 
is in 
and 
in sec. The displacement, when velocity is zero, is
- 12
- 5
- Zero
The correct answer is: Zero
+12
for 
Related Questions to study
Physics-
A stone dropped from a building of height 
and it reaches after seconds on earth. From the same building if two stones are thrown (one upwards and other downwards) with the same velocity 
and they reach the earth surface after 
and 
seconds respectively, then
A stone dropped from a building of height and it reaches after seconds on earth. From the same building if two stones are thrown (one upwards and other downwards) with the same velocity and they reach the earth surface after and seconds respectively, then
Physics-General
Physics-
A man throws a ball vertically upward and it rises through 
and returns to his hands. What was the initial velocity () of the ball and for how much time (
) it remained in the air 
A man throws a ball vertically upward and it rises through and returns to his hands. What was the initial velocity () of the ball and for how much time () it remained in the air
Physics-General
Physics-
The motion of a particle is described by the equation 
where 
and 
.Its instantaneous velocity at time 
will be
The motion of a particle is described by the equation where and .Its instantaneous velocity at time will be
Physics-General
Physics-
A body thrown vertically upwards with an initial velocity reaches maximum height in 6 seconds. The ratio of the distances travelled by the body in the first second and the seventh second is
A body thrown vertically upwards with an initial velocity reaches maximum height in 6 seconds. The ratio of the distances travelled by the body in the first second and the seventh second is
Physics-General
Physics-
Two balls of same size but the density of one is greater than that of the other are dropped from the same height, then which ball will reach the earth first (air resistance is negligible)
Two balls of same size but the density of one is greater than that of the other are dropped from the same height, then which ball will reach the earth first (air resistance is negligible)
Physics-General
Physics-
The velocity of a body depends on time according to the equation 
The body is undergoing
The velocity of a body depends on time according to the equation The body is undergoing
Physics-General
Physics-
A body of mass 10 kg is moving with a constant velocity of 
When a constant force acts for 4 s on it, it moves with velocity 
in the opposite direction. The acceleration produced in it is
A body of mass 10 kg is moving with a constant velocity of When a constant force acts for 4 s on it, it moves with velocity in the opposite direction. The acceleration produced in it is
Physics-General
Physics-
Two spheres of same size, one of mas 
and another of mass 
, are dropped simultaneously from the top of Qutub Minar (height 
). When they are 
above the ground, the two spheres have the same
Two spheres of same size, one of mas and another of mass , are dropped simultaneously from the top of Qutub Minar (height ). When they are above the ground, the two spheres have the same
Physics-General
Physics-
A body A moves with a uniform acceleration 
and zero initial velocity. Another body 
, starts from the same point moves in the same direction with a constant velocity 
. The two bodies meet after a time. The value of is
A body A moves with a uniform acceleration and zero initial velocity. Another body , starts from the same point moves in the same direction with a constant velocity . The two bodies meet after a time. The value of is
Physics-General
Physics-
An object moving with a speed of 
, is decelerated at a rate given by 
where is the instantaneous speed. The time taken by the object, to come to rest would be
An object moving with a speed of , is decelerated at a rate given by where is the instantaneous speed. The time taken by the object, to come to rest would be
Physics-General
Physics-
A particle starts its motion from rest under the action of a constant force. If the distance covered in first 
is 
and that covered in the first 
is 
, then
A particle starts its motion from rest under the action of a constant force. If the distance covered in first is and that covered in the first is , then
Physics-General
Physics-
An automobile in travelling at 
can be stopped at a distance of 40 m by applying brakes. If the same automobile is travelling at 
all other conditions remaining same and assuming no skidding, the minimum stopping distance in metre is
An automobile in travelling at can be stopped at a distance of 40 m by applying brakes. If the same automobile is travelling at all other conditions remaining same and assuming no skidding, the minimum stopping distance in metre is
Physics-General
Physics-
A car moves from 
with a uniform speed 
and returns to 
with a uniform speed 
The average speed for this round trip is
A car moves from with a uniform speed and returns to with a uniform speed The average speed for this round trip is
Physics-General
Physics-
The 
and
coordinates of a particles at any time are given by 
and 
where and are in metre and in second. The acceleration of particle at 
is
The and coordinates of a particles at any time are given by and where and are in metre and in second. The acceleration of particle at is
Physics-General
Physics-
Statement 1: When an automobile while going too fast around a curve overturns, its inner wheels leave the ground first
Statement 2: For a safe turn the velocity of automobiles should be less than the value of safe limit velocity
Statement 1: When an automobile while going too fast around a curve overturns, its inner wheels leave the ground first
Statement 2: For a safe turn the velocity of automobiles should be less than the value of safe limit velocity
Physics-General
