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The acceleration (\(a\))- time (\(t\)) graph that best suits this motion is:

1. | 2. | ||

3. | 4. |

Subtopic: Graphs |

73%

From NCERT

NEET - 2024

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An object falls freely from height \(h\) above the ground. It travels \(\dfrac{5}{9}h\) in the last \(1~\text{s}\). Then height \(h\) is: (Given \(g =10~\text{ms}^{-2}\))

1. | \(5~\text{m}\) | 2. | \(25~\text{m}\) |

3. | \(45~\text{m}\) | 4. | \(58~\text{m}\) |

Subtopic: Uniformly Accelerated Motion |

66%

From NCERT

NEET - 2024

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The speed (\(s\)) of a car as a function of time (\(t\)) is shown figure, The distance travelled by the car in \(8\) seconds is:

1. \(180~\text{m}\)

2. \(60~\text{m}\)

3. \(80~\text{m}\)

4. \(18~\text{m}\)

1. \(180~\text{m}\)

2. \(60~\text{m}\)

3. \(80~\text{m}\)

4. \(18~\text{m}\)

Subtopic: Distance & Displacement |

78%

From NCERT

NEET - 2024

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A particle is moving along the \(x\text-\)axis with its position \((x)\) varying with time \((t)\) as \(x=\alpha t^{4}+\beta t^{2}+\gamma t+\delta.\) The ratio of its initial velocity to its initial acceleration is:

1. \(2\alpha:\delta \)

2. \(\gamma:2\delta \)

3. \(4\alpha:\beta \)

4. \(\gamma:2\beta \)

1. \(2\alpha:\delta \)

2. \(\gamma:2\delta \)

3. \(4\alpha:\beta \)

4. \(\gamma:2\beta \)

Subtopic: Instantaneous Speed & Instantaneous Velocity |

73%

From NCERT

NEET - 2024

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A horizontal bridge is built across a river. A student standing on the bridge throws a small ball vertically upwards with a velocity \(4\) ms^{–1}. The ball strikes the water surface after \(4\) s. The height of bridge above water surface is: (Take \(g=10~ \text {ms}^{-2}\) )

1. | \(68\) m | 2. | \(56\) m |

3. | \(60\) m | 4. | \(64\) m |

Subtopic: Uniformly Accelerated Motion |

65%

From NCERT

NEET - 2023

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A vehicle travels half the distance with speed \(v\) and the remaining distance with speed \(2v\). Its average speed is:

1. \(\frac{3v}{4}\)

2. \(\frac{v}{3}\)

3. \(\frac{2v}{3}\)

4. \(\frac{4v}{3}\)

1. \(\frac{3v}{4}\)

2. \(\frac{v}{3}\)

3. \(\frac{2v}{3}\)

4. \(\frac{4v}{3}\)

Subtopic: Average Speed & Average Velocity |

66%

From NCERT

NEET - 2023

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The position-time \((x\text-t)\) graph for positive acceleration is:

1. | 2. | ||

3. | 4. |

Subtopic: Graphs |

79%

From NCERT

NEET - 2022

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The figure given below shows the displacement and time, \((x\text -t)\) graph of a particle moving along a straight line:

The correct statement, about the motion of the particle, is:

1. | the particle moves at a constant velocity up to a time \(t_0\) and then stops. |

2. | the particle is accelerated throughout its motion. |

3. | the particle is accelerated continuously for time \(t_0\) then moves with constant velocity. |

4. | the particle is at rest. |

Subtopic: Graphs |

74%

From NCERT

NEET - 2022

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A stone is thrown vertically downwards with an initial velocity of \(40\) m/s from the top of a building. If it reaches the ground with a velocity of \(60\) m/s, then the height of the building is: (Take \(g=10\) m/s^{2})

1. | \(120\) m | 2. | \(140\) m |

3. | \(80\) m | 4. | \(100\) m |

Subtopic: Uniformly Accelerated Motion |

83%

From NCERT

NEET - 2022

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The ratio of the distances travelled by a freely falling body in the \(1\)^{st}, \(2\)^{nd}, \(3\)^{rd} and \(4\)^{th} second is:

1. | \(1:1:1:1\) | 2. | \(1:2:3:4\) |

3. | \(1:4:9:16\) | 4. | \(1:3:5:7\) |

Subtopic: Uniformly Accelerated Motion |

80%

From NCERT

NEET - 2022

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