1.

    A bullet is fired horizontally from a gun. Neglecting air resistance, what is the vertical acceleration of the bullet during its flight?

    A

    0 m/s²

    B

    9.8 m/s² upwards

    C

    9.8 m/s² downwards

    D

    Dependent on the initial velocity

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Structure Of Atom
    🎯Topic:Horizontal Projectile
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Horizontal Projectile, Acceleration due to Gravity

    Related Questions

    1.

    An object is projected horizontally with a velocity of 20 m/s from a height of 10 m. What is the initial vertical velocity of the object?

    A

    10 m/s

    B

    20 m/s

    C

    0 m/s

    D

    9.8 m/s

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Structure Of Atom
    🎯Topic:Horizontal Projectile
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :horizontal projectile, velocity

    2.

    For a projectile thrown into space with a speed v, the horizontal range is 3v22g.\frac{{\sqrt 3 {v^2}}}{{2{\rm{g}}}}. The vertical range is v28g\frac{{{v^2}}}{{8{\rm{g}}}}. The angle which the projectile makes with the horizontal initially is

    A

    150{15^0}

    B

    300{30^0}

    C

    450{45^0}

    D

    600{60^0}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Structure Of Atom
    🎯Topic:Horizontal Projectile
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Projectile motion, Horizontal range, Vertical range, Trigonometry

    3.

    Two stones are projected with the same velocity in magnitude but making different angles with the horizontal. Their ranges are equal. If the angel of projection of one is π/3{\rm{\pi }}/3 and its maximum height is y1{y_1}, the maximum height of the other will be

    A

    3y13{y_1}

    B

    2y12{y_1}

    C

    y12\frac{{{y_1}}}{2}

    D

    y13\frac{{{y_1}}}{3}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Motion In A Plane
    🎯Topic:Horizontal Projectile
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :projectile motion, range of projectile, maximum height of projectile

    4.

    Ratio between maximum range and square of time of flight in projectile motion is

    A

    10:4910:49

    B

    49:1049:10

    C

    98:1098:10

    D

    10:9810:98

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Motion In A Plane
    🎯Topic:Horizontal Projectile
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Projectile Motion, Range, Time of Flight, Trigonometry

    5.

    A cricketer can throw a ball to a maximum horizontal distance of 100 m. The speed with which he throws the ball is (to the nearest integer)

    A

    30  ms−130\;m{s^{ - 1}}

    B

    42  ms−142\;m{s^{ - 1}}

    C

    32  ms−132\;m{s^{ - 1}}

    D

    35  ms−135\;m{s^{ - 1}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Structure Of Atom
    🎯Topic:Horizontal Projectile
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Projectile motion, Range of projectile, Kinematics

    6.

    A ball is projected with velocity u at an angle α with horizontal plane. Its speed when it makes an angle β\beta with the horizontal is

    A

    ucos⁡αu\cos {\rm{\alpha }}

    B

    ucos⁡β\frac{u}{{\cos {\rm{\beta }}}}

    C

    ucos⁡αcos⁡βu\cos {\rm{\alpha }}\cos {\rm{\beta }}

    D

    ucos⁡αcos⁡β\frac{{u\cos {\rm{\alpha }}}}{{\cos {\rm{\beta }}}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Motion In A Plane
    🎯Topic:Horizontal Projectile
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Projectile motion, conservation of horizontal velocity, trigonometry

    7.

    A large number of bullets are fired in all directions with same speed v. What is the maximum area on the ground on which these bullets will spread

    A

    πv2g\pi \frac{{{v^2}}}{g}

    B

    πv4g2\pi \frac{{{v^4}}}{{{g^2}}}

    C

    π2v4g2{\pi ^2}\frac{{{v^4}}}{{{g^2}}}

    D

    π2v2g2{\pi ^2}\frac{{{v^2}}}{{{g^2}}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Structure Of Atom
    🎯Topic:Horizontal Projectile
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Projectile motion, Range of projectile, Area of a circle

    8.

    The speed of projection of a projectile is increased by 10%, without changing the angel of projection. The percentage increase in the range will be

    A

    10%10\%

    B

    20%20\%

    C

    15%15\%

    D

    5%5\%

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Motion In A Plane
    🎯Topic:Horizontal Projectile
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Projectile Motion, Range of Projectile, Percentage Change

    9.

    A large number of bullets are fired in all directions with same speed v. What is the maximum area on the ground on which these bullets will spread

    A

    πv2g\pi \frac{{{v^2}}}{g}

    B

    πv4g2\pi \frac{{{v^4}}}{{{g^2}}}

    C

    π2v4g2{\pi ^2}\frac{{{v^4}}}{{{g^2}}}

    D

    π2v2g2{\pi ^2}\frac{{{v^2}}}{{{g^2}}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Structure Of Atom
    🎯Topic:Horizontal Projectile
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Projectile motion, Range of projectile, Area of circle

    10.

    A body is projected at an angle hetaheta with respect to horizontal direction with velocity u. The maximum range of the body is

    A

    R=u2sin⁡2hetagR = \frac{{{u^2}\sin 2{\rm{heta }}}}{g}

    B

    R=u2sin2  heta2gR = \frac{{{u^2}{\rm{si}}{{\rm{n}}^2}\;{\rm{heta }}}}{{2g}}

    C

    R=u2gR = \frac{{{u^2}}}{g}

    D

    R=u2sin⁡hetaR = {u^2}\sin {\rm{heta }}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Motion In A Plane
    🎯Topic:Horizontal Projectile
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Projectile Motion, Range of Projectile, Maximum Range

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