Physics-
General
Easy
Question
A particle is projected with a velocity 
such that its range on the horizontal plane is twice the greatest height attained by it. The range of the projectile is (where 
is acceleration due to gravity)
The correct answer is:
Given
We know 
From triangle we can say that 
Range of projectile 
Related Questions to study
Physics-
A projectile is thrown at angle 
with vertical. It reaches a maximum height 
. The time taken to reach the highest point of its path is
A projectile is thrown at angle with vertical. It reaches a maximum height . The time taken to reach the highest point of its path is
Physics-General
Physics-
Four concurrent coplanar forces in newton are acting at a point and keep it in equilibrium figure. Then values of 
and 
are
Four concurrent coplanar forces in newton are acting at a point and keep it in equilibrium figure. Then values of and arePhysics-General
Physics-General
Physics-
A body of mass 
kg is suspended by a string from a rigid support. The body is pulled horizontally by a force until the string makes an angle of 30
with the vertical. The value o and tension in the string are
A body of mass kg is suspended by a string from a rigid support. The body is pulled horizontally by a force until the string makes an angle of 30 with the vertical. The value o and tension in the string are
Physics-General
Physics-
A bob of mass 
is suspended by a massless string of length 
. The horizontal velocity 
at position 
is just sufficient to make it reach the point 
. The angle at which the speed of the bob is half of that at , satisfies
A bob of mass is suspended by a massless string of length . The horizontal velocity at position is just sufficient to make it reach the point . The angle at which the speed of the bob is half of that at , satisfiesPhysics-General
Physics-General
Physics-
What will be the maximum speed of a car on a road-turn of radius 30m if the coefficient of friction between the tyres and the road is 0.4?
What will be the maximum speed of a car on a road-turn of radius 30m if the coefficient of friction between the tyres and the road is 0.4?
Physics-General
Physics-
If the resultant of two forces 
and 
is 
, then the angle between these forces is
If the resultant of two forces and is , then the angle between these forces is
Physics-General
Physics-
A fighter plane is moving in a vertical circle of radius 
. Its minimum velocity at the highest point of the circle will be
A fighter plane is moving in a vertical circle of radius . Its minimum velocity at the highest point of the circle will be
Physics-General
Physics-
A proton of mass 
goes round in a circular orbit of radius 0.10
under a centripetal force of 
then the frequency of revolution of the proton is about
A proton of mass goes round in a circular orbit of radius 0.10 under a centripetal force of then the frequency of revolution of the proton is about
Physics-General
Physics-
An aeroplane is flying horizontally with a velocity of 
and at a height of 1960 m. When it is vertically above a point on the ground, a bomb is released from it. The bomb strikes the ground at point . The distance 
is (ignoring air resistance)
An aeroplane is flying horizontally with a velocity of and at a height of 1960 m. When it is vertically above a point on the ground, a bomb is released from it. The bomb strikes the ground at point . The distance is (ignoring air resistance)
Physics-General
Physics-
A small block is shot into each of the four tracks as shown below. Each of the frictionless track rises to the same height. The speed, which the block enters the tracks, is same in all cases. At the highest point of the track, normal reaction is maximum in
A small block is shot into each of the four tracks as shown below. Each of the frictionless track rises to the same height. The speed, which the block enters the tracks, is same in all cases. At the highest point of the track, normal reaction is maximum in
Physics-General
Physics-
If 
then which of the following is not correct
If then which of the following is not correct
Physics-General
Physics-
The maximum range of a gun on horizontal terrain is 
. If 
. What must be the muzzle velocity of the shell
The maximum range of a gun on horizontal terrain is . If . What must be the muzzle velocity of the shell
Physics-General
Physics-
The horizontal range of an oblique projectile is equal to the distance through which a projectile has to fall freely from rest to acquire a velocity equal to the velocity of projection in magnitude. The angle of projection is
The horizontal range of an oblique projectile is equal to the distance through which a projectile has to fall freely from rest to acquire a velocity equal to the velocity of projection in magnitude. The angle of projection is
Physics-General
Physics-
Two bodies are thrown up at angles of 
and 
, respectively with the horizontal. If both bodies attain same vertical height , then the ratio of velocities with which these are thrown is
Two bodies are thrown up at angles of and , respectively with the horizontal. If both bodies attain same vertical height , then the ratio of velocities with which these are thrown is
Physics-General
Physics-
A helicopter is flying horizontally at an altitude of 2 km with a speed of 
. A packet is dropped from it. The horizontal distance between the point where the packet is dropped and the point where it hits the ground is 
A helicopter is flying horizontally at an altitude of 2 km with a speed of . A packet is dropped from it. The horizontal distance between the point where the packet is dropped and the point where it hits the ground is
Physics-General
