Physics-
General
Easy
Question
Which of the following is the altitude-time graph for a projectile thrown horizontally from the top of the tower
The correct answer is:
Related Questions to study
Physics-
A force 
(where 
is a positive constant) acts on a particle moving in the 
plane. Starting from the origin, the particle is taken along the positive 
-axis to the point (
) and then parallel to the 
-axis to the 
. The total work done by the force 
on the particle is
A force (where is a positive constant) acts on a particle moving in the plane. Starting from the origin, the particle is taken along the positive -axis to the point () and then parallel to the -axis to the . The total work done by the force on the particle is
Physics-General
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A body is projected at such angle that the horizontal range is three times the greatest height. The angel of projection is
A body is projected at such angle that the horizontal range is three times the greatest height. The angel of projection is
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A stone of mass 
tied to a light inextensible string of length 
is whirling in a circular path of radius 
in a vertical plane. If the ratio of the maximum tension in the string to the minimum tension in the string is 4 and if 
is taken to be 
the speed of the stone at the highest point of the circle is
A stone of mass tied to a light inextensible string of length is whirling in a circular path of radius in a vertical plane. If the ratio of the maximum tension in the string to the minimum tension in the string is 4 and if is taken to be the speed of the stone at the highest point of the circle is
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In a circus stuntman rides a motorbike in a circular track of radius 
in the vertical plane. The minimum speed at highest point of track will be
In a circus stuntman rides a motorbike in a circular track of radius in the vertical plane. The minimum speed at highest point of track will be
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If a cycle wheel of radius 4 
completes one revolution in two seconds. Then acceleration of a point on the cycle wheel will be
If a cycle wheel of radius 4 completes one revolution in two seconds. Then acceleration of a point on the cycle wheel will be
Physics-General
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A cart is moving horizontally along a straight line with constant speed 
. A projectile is to be fired from the moving cart in such a way that it will return to the cart after the cart has moved 
. At what speed (relative to the cart) must the projectile be fired 
Take
A cart is moving horizontally along a straight line with constant speed . A projectile is to be fired from the moving cart in such a way that it will return to the cart after the cart has moved . At what speed (relative to the cart) must the projectile be fired Take
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A particle of mass is moving in a circular path of constant radius 
such that its centripetal acceleration 
is varying with time 
as, 
, The power delivered to the particle by the forces acting on it is
A particle of mass is moving in a circular path of constant radius such that its centripetal acceleration is varying with time as, , The power delivered to the particle by the forces acting on it is
Physics-General
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A particle is moving in a circle of radius in such a way that at any instant the normal and tangential components of its acceleration are equal. If its speed at 
, the time taken to complete the first revolution is
A particle is moving in a circle of radius in such a way that at any instant the normal and tangential components of its acceleration are equal. If its speed at , the time taken to complete the first revolution is
Physics-General
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A particle of mass is rotating in a horizontal circle of radius and is attached to a hanging mass 
as shown in the figure. The speed of rotation required by the mass keep steady is
A particle of mass is rotating in a horizontal circle of radius and is attached to a hanging mass as shown in the figure. The speed of rotation required by the mass keep steady isPhysics-General
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Maths-
A constant force = 3
+ 2
– 4
is applied at point A (1, –1, 2). Then vector moment of about point B (2,–1, 3) is -
A constant force = 3+ 2– 4 is applied at point A (1, –1, 2). Then vector moment of about point B (2,–1, 3) is -
Maths-General
Maths-
The vectors + 2+3, + 4+ 7 &–3–2 –5 are collinear, if =
The vectors + 2+3, + 4+ 7 &–3–2 –5 are collinear, if =
Maths-General
Maths-
If 
, 
, 
are non-coplanar vectors then
(+ –). (–) × (–)=
If , , are non-coplanar vectors then
(+ –). (–) × (–)=
Maths-General
Maths-
If a,b,c are different non- negative numbers and a+ a+ c; + and c+ c+ blie in a plane, then c is -
If a,b,c are different non- negative numbers and a+ a+ c; + and c+ c+ blie in a plane, then c is -
Maths-General
Maths-
Value of (
–
).[(–
) × (–)] =
Value of (–).[(–) × (–)] =
Maths-General
Maths-
If , , are vectors, such that + + = 0 where || = 3, || = 4 & || = 5 then .+ .+ . =
If , , are vectors, such that + + = 0 where || = 3, || = 4 & || = 5 then .+ .+ . =
Maths-General
