Chapter 4 – Motion in Plane
Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 4 - Motion in Plane
After one second the velocity of a projectile makes an angle of 45^∘ with the horizontal. After another one more second its is travelling horizontally. The magnitude of its initial velocity and angle of projectile are (g=10m/s^2)
18
Oct
After one second the velocity of a projectile makes an angle of 45^∘ with the horizontal. After another one more second its is travelling horizontally. The magnitude of its initial velocity and angle of projectile are (g=10m/s^2) A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At the instant when [...]
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A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At the instant when its velocity is 4m/s a ball is projected from the floor of the lift with a speed of 4m/s ,
relative to the floor at an elevation of 30^o. The time taken by the ball to return the floor is (g = 10m/s^2 ) ,
The speed of a projectile when it is at its greatest height is root 2/5 times its speed at half the maximum height. The angle of projection is
18
Oct
The speed of a projectile when it is at its greatest height is root 2/5 times its speed at half the maximum height. The angle of projection is The speed of a projectile when it is at its greatest height is root 2/5 times its speed at half the maximum height. The angle of projection [...]
A particle starts from the origin of coordinates at time t=0 and moves in the xy plane with a constant acceleration α in the y-direction. Its equation of motion is y = βx^2 . Its velocity component in the x-direction is
18
Oct
A particle starts from the origin of coordinates at time t=0 and moves in the xy plane with a constant acceleration α in the y-direction. Its equation of motion is y = βx^2 . Its velocity component in the x-direction is A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. [...]
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A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At the instant when its velocity is 4m/s a ball is projected from the floor of the lift with a speed of 4m/s ,
relative to the floor at an elevation of 30^o. The time taken by the ball to return the floor is (g = 10m/s^2 ) ,
A projectile is fired at an angle 30^∘ of to the horizontal such that the vertical component of its initial velocity is 80 m/s. Its time of flight is T. Its velocity at t= T/4 has a magnitude of nearly:
18
Oct
A projectile is fired at an angle 30^∘ of to the horizontal such that the vertical component of its initial velocity is 80 m/s. Its time of flight is T. Its velocity at t= T/4 has a magnitude of nearly: A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At [...]
Tags:
A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At the instant when its velocity is 4m/s a ball is projected from the floor of the lift with a speed of 4m/s ,
relative to the floor at an elevation of 30^o. The time taken by the ball to return the floor is (g = 10m/s^2 ) ,
Two particles A and B projected simultaneously from a point situated on a horizontal place. The particle A is projected vertically up with a velcity vA while the particle B is projected up at an angle 30∘ with horizontal with velocity vB. After 5s the particles were observed moving mutually perpendicular to each other. The velocity of projection of the particle vA and vB respectively are:
18
Oct
Two particles A and B projected simultaneously from a point situated on a horizontal place. The particle A is projected vertically up with a velcity vA while the particle B is projected up at an angle 30∘ with horizontal with velocity vB. After 5s the particles were observed moving mutually perpendicular to each other. The [...]
Tags:
A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At the instant when its velocity is 4m/s a ball is projected from the floor of the lift with a speed of 4m/s ,
relative to the floor at an elevation of 30^o. The time taken by the ball to return the floor is (g = 10m/s^2 ) ,
Two particles are projected from the same point on ground simultaneously with speeds and 20m/s and 20/3–√ at angles 30^∘ and 60^∘ with the horizontal in the same direction. The maximum distance between them till both of them strike the ground is approximately (g=10m/s^2)
18
Oct
Two particles are projected from the same point on ground simultaneously with speeds and 20m/s and 20/3–√ at angles 30^∘ and 60^∘ with the horizontal in the same direction. The maximum distance between them till both of them strike the ground is approximately (g=10m/s^2) A very broad elevator is going up vertically with a constant [...]
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A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At the instant when its velocity is 4m/s a ball is projected from the floor of the lift with a speed of 4m/s ,
relative to the floor at an elevation of 30^o. The time taken by the ball to return the floor is (g = 10m/s^2 ) ,
A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At the instant when its velocity is 4m/s a ball is projected from the floor of the lift with a speed of 4m/s, relative to the floor at an elevation of 30^o. The time taken by the ball to return the floor is (g = 10m/s^2 )
18
Oct
A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At the instant when its velocity is 4m/s a ball is projected from the floor of the lift with a speed of 4m/s, relative to the floor at an elevation of 30^o. The time taken by the ball to return the [...]
Tags:
A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At the instant when its velocity is 4m/s a ball is projected from the floor of the lift with a speed of 4m/s ,
relative to the floor at an elevation of 30^o. The time taken by the ball to return the floor is (g = 10m/s^2 ) ,