Recent questions tagged projectile-motion

Two bodies are projected at angles $\theta$ and $(90^{\large\circ}-\theta)$ with the horizontal at the same speed.The ratio of their maximum heights is

asked Aug 13, 2014 by sreemathi.v

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An oblique projectile has the smallest speed on its trajectory when

asked Aug 13, 2014 by sreemathi.v

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The greatest height to which a man can throw a ball is h.What is the greatest distance to which he can throw the ball?

asked Aug 13, 2014 by sreemathi.v

1 answer

Two projectiles are thrown with the same initial velocity at angles $\alpha$ and $(90^{\large\circ}-\alpha)$ with the horizontal.The maximum heights attained by them are $h_1$ and $h_2$ respectively.Then $\large\frac{h_1}{h_2}$ is equal to

asked Aug 13, 2014 by sreemathi.v

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A body is thrown with a velocity of $10ms^{-1}$ at an angle of $60^{\large\circ}$ with the horizontal.Its velocity at the highest point is

asked Aug 13, 2014 by sreemathi.v

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A projectile is thrown into space so as to have the maximum possible horizontal range =400m.Taking the point of projection as the origin,the co-ordinate of the point where the velocity of the projectile is minimum,are

asked Aug 13, 2014 by sreemathi.v

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A projectile can have the same range 'R' for two angles of projection.If $t_1$ and $t_2$ be the time of flights in the two cases,then the product of the two time of flights is proportional to

asked Aug 13, 2014 by sreemathi.v

1 answer

Two stones are projected with the same speed but making different angles with the horizontal.Their horizontal ranges are equal.The angle of projection of one is $\large\frac{\pi}{3}$ and the maximum height reached by it is 102 metre.Then the maximum height reached by the other in metre is

asked Aug 13, 2014 by sreemathi.v

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A soccer ball is kicked horizontally off a 22.0 meter high hill and lands a distance of 35.0 meters from the edge of the hill. Determine the initial horizontal velocity of the soccer ball.

asked Aug 13, 2014 by sreemathi.v

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A stone is thrown horizontally outward from the top of a bridge.The stone is released 19.6m above the street below.The initial velocity of the stone is 5.0m/s.Determine the magnitude and direction of the velocity of the projectile "just" before it strikes the street.

asked Aug 13, 2014 by sreemathi.v

1 answer

A projectile is fired with an initial speed of 113m/s at an angle of $60.0^{\large\circ}$ above the horizontal from the top of a cliff 49.0m high.Determine the total time it stays in the air,and horizontal range of the projectile.

asked Aug 13, 2014 by sreemathi.v

1 answer

A projectile is fired with an initial speed of 113m/s at an angle of $60.0^{\large\circ}$ above the horizontal from the top of a cliff 49.0m high.Determine the tome to reach maximum height,maximum height above the base of the cliff reached by the projectile.

asked Aug 13, 2014 by sreemathi.v

1 answer

Five balls A,B,C,D and E are projected with the same speed making angles of $10^{\large\circ},30^{\large\circ},45^{\large\circ},60^{\large\circ},80^{\large\circ}$ respectively,with the horizontal.Which ball will strike the ground at the farthest point?

asked Aug 13, 2014 by sreemathi.v

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A spring gun placed on a table fires a steal ball at a $45^{\large\circ}$ angle above the horizontal.The ball leaves the muzzle of the gun 1.1m above the floor and travels 4.6m horizontally.Determine the total time that the ball is in the air.

asked Aug 13, 2014 by sreemathi.v

1 answer

In a particular laboratory experiment,a spring gun placed on a table fires a steal ball horizontally outward.A student determines that the ball starts 1.0m above the floor and travels 2.7m horizontally before it strikes the floor.Determine the time that the ball is in the air and initial velocity of the ball

asked Aug 13, 2014 by sreemathi.v

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A ball slides off a horizontal table top $1.25 \;m$ hight, with a velocity of $4ms^{-1}$ Find the horizontal distance from the edge of the table at which the ball strikes the ground. $(g= 10 ms^{-2})$

asked Jul 16, 2014 by meena.p

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A ball is thrown with an initial velocity of 30 m/s at an angle of 60$^{\circ}$ above the horizontal. Find the maximum height the ball can travel to?

asked Jul 16, 2014 by meena.p

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The equation of trajectory of a projectile is given by $y=x -\large\frac{x^2}{100}$ Find velocity of projection .

asked Jul 15, 2014 by meena.p

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The equation of trajectory of a projectile is given by $y=x -\large\frac{x^2}{100}$ Find velocity of projection .

asked Jul 15, 2014 by meena.p

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It is possible to project a particle with a given velocity in two possible ways so as to make it pass through a point at a horizontal distance R from the point of projection .If $H_1$ and $H_2$ are the corresponding maximum height and $H$ is maximum height when the particle is projected at $45^{\circ}$ with the same speed, then what is $H_1+H_2$

asked Jul 15, 2014 by meena.p

1 answer

It is possible to project a particle with a given velocity in two possible ways so as to make it pass through a point at a horizontal distance R from the point of projection . If $t_1$ and $t_2$ are the time taken to reach this point in two possible ways then what is $t_1t_2$?

asked Jul 15, 2014 by meena.p

1 answer

A ball rolls off the top of a stairway with a velocity u. If the height of each step is h, the breadth is b and the ball hits the edge of nth steps, the find the value of n.

asked Jul 15, 2014 by meena.p

1 answer

A man can throw a stone 60 m away . How high can he throw the stone vertically upward?

asked Jul 15, 2014 by meena.p

1 answer

A body is projected with speed $v_1$ at an angle of $45^{\circ}$ to the horizontal from a point A. At the same instant, another body is projected vertically below the highest point of the path of the first body, Both the bodies will collide if $v_1/v_2$ is

asked Jul 14, 2014 by meena.p

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A projectile is thrown with velocity u making angle $\theta$ with vertical. It just crosses the tops of two poles each of height h after 1 second respectively. The maximum height of projectile is

asked Jul 14, 2014 by meena.p

1 answer

From a point on the group at a distance 2 meters from the foot of a vertical wall , a ball is thrown at an angle $45^{\circ}$ which just clear the top of the wall and afterwards strikes the ground at a distance 4 m on the other side. The height of the wall is

asked Jul 14, 2014 by meena.p

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The velocity at the maximum height of a projectile is half of its initial velocity of projection u. Its range on horizontal plane is

asked Jul 14, 2014 by meena.p

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A body is projected at an angle $30^{\circ}$ to the horizontal with a speed $39.2 ms^{-1}$.What is the angle of projectile with the horizontal after 2 seconds ? (take $g= 9.8\;ms^{-2} )$

asked Jul 14, 2014 by meena.p

1 answer

The velocity of projection of an oblique projectile is $(6i +8j)m/s$ . The horizontal range of projectile is $( g=10 m/s)^2$

asked Jul 14, 2014 by meena.p

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The range of projectile which is launch at an angle of $15^{\circ}$ with the horizontal is $1.5 \;km$ what is the range of the projectile if it is projected at an angle of $45^{\circ}$ to the horizontal ?

asked Jul 14, 2014 by meena.p

1 answer

Two bodies are projected from the same point with the same speed but in different directions so as to have the same range. The ratio of their times of flight are .

asked Jul 11, 2014 by meena.p

1 answer

The greatest distance to which a man throw a stone is a. The greatest height to which he can throw it will be

asked Jul 11, 2014 by meena.p

1 answer

An object is thrown along a direction inclined at an angle of $45^{\circ}$ with the horizontal range of the particle is equal to

asked Jul 11, 2014 by meena.p

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If initial velocity of projection is $10 m/s$ and angle of projection is $60 ^{\circ}$, find range R.

asked Jul 3, 2013 by meena.p

1 answer

A ball rolls off top of a stair way with horizontal velocity $u\; m/s$ If height of each step is h and width of each step is b the ball will hit the edge of $n^{th}$ step if $n$ is equal to

asked Jul 3, 2013 by meena.p

1 answer

Distance between frog and an insect on a horizontal plane is 10m. Frog can jump with maximum speed of $\sqrt {10}m/s$ minimum number of jumps required by the frog to catch the insect is

asked Jul 3, 2013 by meena.p

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The path followed by a body projected along y axis is given by $y=\sqrt 3 x-\large\frac{1}{2}$$ x^2$. If $g=10 m/s^2$ Then initial velocity of projectile is

asked Jul 3, 2013 by meena.p

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An aeroplane is moving with horizontal velocity u at a height h. The velocity of a packet dropped from it on the earth's surface will be

asked Jul 3, 2013 by meena.p

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A particle moves in the plane according to the law $x=kt$, $y=kt(1- \alpha t)$ where $k$ and $\alpha$ are positive constants, t is time. The particle trajectory $ y(x) $ is

asked Jul 2, 2013 by meena.p

1 answer

A partical A is projected with an initial velocity of $60 m/s$ at an angle $30 ^{\circ}$ to horizontal . At the same time a second particle B is projected in the opposite direction with initial speed of $50 m/s$ from a point at a distance of $100 m$ from A. If the particle collide in mid air. find the angle of projection $\alpha$ of particle B.$(g=10 m/s^2)$

asked Jul 2, 2013 by meena.p

1 answer

A body is thrown horizontally from top of a tower and strikes the ground after three seconds at an angle $45^{\circ}$ with horizontal. Find the height of the tower and initial speed of body.

asked Jul 2, 2013 by meena.p

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There are two angles of projection for which the horizontal range is same. The sum of maximum heights for these two angles is

asked Jul 2, 2013 by meena.p

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A projectile is given an initial velocity of $\hat i+2 \hat j$. The cartesian equation of its path is $(g=10 m/s^2)$. ($\hat i$ vector along horizontal $\hat j$ vector along vertically upward)

asked Jul 1, 2013 by meena.p

1 answer

The trajectory of a projectile in a vertical plane is $y=ax-bx^2$ where $a$ and $b$ are constants. The maximum height attained by the particle and the angle of projection from horizontal are

asked Jul 1, 2013 by meena.p

2 answers

A particle is projected up an inclined plane with initial speed $v=20 m/s$ at an angle $\theta=30 ^{\circ}$, with the plane. The component of its velocity perpendicular to plane when it strikes the plane is

asked Jul 1, 2013 by meena.p

1 answer

A particle A is projected from the ground with an initial velocity of 10 m/s at an angle $60 ^{\circ}$ with horizontal. From what height h should another particle B be projected horizontally with velocity 5 m/s. so both the particle collide in the ground at point C if both are projected simultaneously $(g=10 m/s^2)$

asked Jun 26, 2013 by meena.p

1 answer

Time taken to reach A to B for a projectile is 't'. Then the distance AB is equal to

asked Jun 26, 2013 by meena.p

1 answer

At a height 0.4 m from the ground the velocity of particle projected in angle $\theta$ is $\hat v=(6 i+ 2 j)m/s$ The angle of projection $\theta$ is $(g=10 m/s^2)$

asked Jun 26, 2013 by meena.p

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A ball is projected horizontaly with a speed v from top of a plane inclined at an angle $45^{\circ}$ with the horizontal. How far from the point of projection will the ball strike the plane

asked Jun 24, 2013 by meena.p

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A player kicks a football at an angle of $30^{\circ}$ with horizontal and initial velocity of 19.6m/s. A second player standing at a distance of 20.95m from the first player and in the direction of the kick,starts running to meet the ball, at the instant it is kicked. How far and how fast must he run in order to catch the ball before it hits the ground ?

asked Jun 24, 2013 by meena.p

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