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# A boy throws a ball upwards with velocity The wind imparts a horizontal acceleration of to the left. The angle at which the ball must be thrown so that the ball returns to the boy's hand is

## The correct answer is:

### Related Questions to study

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### The acceleration of a train between two stations 2 km apart is shown in the figure. The maximum speed of the train is:

### The acceleration of a train between two stations 2 km apart is shown in the figure. The maximum speed of the train is:

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### A body is moving in a straight line as shown in velocity-time graph. The displacement and distance travelled by body in 8 s are respectively :

### A body is moving in a straight line as shown in velocity-time graph. The displacement and distance travelled by body in 8 s are respectively :

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### A cockroach moves rectilinearly such that, after sometime let its (instantaneous) velocity be equal to its average velocity over that time. Referring to the graph as shown in the figure for the motion of the cockrach, find the average velocity of the cockroach over the time .

### A cockroach moves rectilinearly such that, after sometime let its (instantaneous) velocity be equal to its average velocity over that time. Referring to the graph as shown in the figure for the motion of the cockrach, find the average velocity of the cockroach over the time .

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### A boy begins to walk eastward along a street in front of his house and the graph of his position from home is shown in the following figure. His average speed for the whole time interval is equal to

### A boy begins to walk eastward along a street in front of his house and the graph of his position from home is shown in the following figure. His average speed for the whole time interval is equal to

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### The acceleration - time graph of a particle moving along a straight line is shown. After what time the particle attains its initial velocity ?

### The acceleration - time graph of a particle moving along a straight line is shown. After what time the particle attains its initial velocity ?

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### Starting from rest at S=0, a boat travels in a straight line with an acceleration as shown by the a-s graph. The boat speed at s=40,90 and 200 m is

### Starting from rest at S=0, a boat travels in a straight line with an acceleration as shown by the a-s graph. The boat speed at s=40,90 and 200 m is

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### The figure shows the displacement-time graph of a body moving in a straight line. Which one of the graphs shown. represents the velocity-time graph of the motion of the body.

### The figure shows the displacement-time graph of a body moving in a straight line. Which one of the graphs shown. represents the velocity-time graph of the motion of the body.

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### Two particles are thrown from the same point in the same vertical plane, as shown in figure simultaneously. Then indicate the correct statements :

### Two particles are thrown from the same point in the same vertical plane, as shown in figure simultaneously. Then indicate the correct statements :

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### Two particles are projected from A and C simultaneously towards each other and they collide in air. and are horizontal and vertical components of initial velocity of particle at A. Similarly , are horizontal and vertical components of initial velocity of particle at C. Given that Find

### Two particles are projected from A and C simultaneously towards each other and they collide in air. and are horizontal and vertical components of initial velocity of particle at A. Similarly , are horizontal and vertical components of initial velocity of particle at C. Given that Find

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### A ball is projected from a point A with some velocity at an angle 30° with the horizontal as shown in the figure. Consider a target point B. The ball will hit the target if it is thrown with a velocity equal to

### A ball is projected from a point A with some velocity at an angle 30° with the horizontal as shown in the figure. Consider a target point B. The ball will hit the target if it is thrown with a velocity equal to

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### A projectile is fired with a velocity u at right angles to the slope, which is inclined at an angle q with the horizontal. The expression for the distance R to the point of impact is

### A projectile is fired with a velocity u at right angles to the slope, which is inclined at an angle q with the horizontal. The expression for the distance R to the point of impact is

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### In the figure, the time taken by the projectile to reach from A to B is t. Then the distance AB is equal to

### In the figure, the time taken by the projectile to reach from A to B is t. Then the distance AB is equal to

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### Particle A is released from a point P on a smooth inclined plane inclined at an angle a with the horizontal. At the same instant another particle B is projected with initial velocity U making an angle b with the horizontal. Both the particles meet again on the inclined plane. The relation between a and b is

### Particle A is released from a point P on a smooth inclined plane inclined at an angle a with the horizontal. At the same instant another particle B is projected with initial velocity U making an angle b with the horizontal. Both the particles meet again on the inclined plane. The relation between a and b is

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### A body is projected vertically upwards. If and be the times, at which it is at a height h above the point of projection while ascending and descending and descending respectively. The maximum height reached by the body is :

### A body is projected vertically upwards. If and be the times, at which it is at a height h above the point of projection while ascending and descending and descending respectively. The maximum height reached by the body is :

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### ABC is a right angled triangle, right angled at C. Two particles start from A and C, along AC and CB respectively with uniform velocities u and v. The shortest distance between them is

### ABC is a right angled triangle, right angled at C. Two particles start from A and C, along AC and CB respectively with uniform velocities u and v. The shortest distance between them is

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