Physics-
General
Easy
Question
A fighter plane is moving in a vertical circle of radius 
. Its minimum velocity at the highest point of the circle will be
The correct answer is:
Related Questions to study
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
Maths-
If the sides be a, b, c then 
+ 
+ 
=
If the sides be a, b, c then + + =
Maths-General
Maths-
If the sides be a, b, c then (r + r1) tan
+ (r + r2) tan
+ (r+ r3) tan
=
If the sides be a, b, c then (r + r1) tan+ (r + r2) tan+ (r+ r3) tan =
Maths-General
Maths-
=
=
Maths-General
Maths-
(r1 – r) (r2 – r) (r3 – r) =
(r1 – r) (r2 – r) (r3 – r) =
Maths-General
Maths-
+
+ 
+ 
=
++ + =
Maths-General
Maths-
If (a – b) (s – c) = (b – c) (s – a) then r1, r2, r3 are in -
If (a – b) (s – c) = (b – c) (s – a) then r1, r2, r3 are in -
Maths-General
Maths-
If in a triangle 
= 2, then the triangle is-
If in a triangle = 2, then the triangle is-
Maths-General
