# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 201 - 205 of 2320

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## Passage

Velocity at a general point P (x, y) for a horizontal projectile motion is given by

V = =

α is angle made by v with horizontal in clockwise direction Trajectory equation for a horizontal projectile motion is given by x = v _{x} t = ut

y =- ( ) gt ^{2}

Eliminating t, We get y =-

## Question number: 201 (1 of 3 Based on Passage) Show Passage

» Kinematics » Velocity-Time Graphs

### Question

A ball rolls off top of a stair way with a horizontal velocity u m/s. If the steps are h m high and b meters wide, the ball will just hit the edge of nth step if n equals to

### Choices

Choice (4) | Response | |
---|---|---|

a. |
| |

b. |
| |

c. |
| |

d. | Both b. and c. are correct |

## Question number: 202 (2 of 3 Based on Passage) Show Passage

» Kinematics » Average Speed and Instantaneous Velocity

### Question

An aeroplane is in a level flying at an speed of 144 km/hr at an altitude of 1000 m. How far horizontally from a given target should a bomb be released from it to hit the target?

### Choices

Choice (4) | Response | |
---|---|---|

a. | 371.34 m | |

b. | 571.43 m | |

c. | 671.43 m | |

d. | 471.34 m |

## Question number: 203 (3 of 3 Based on Passage) Show Passage

» Kinematics » Average Speed and Instantaneous Velocity

### Question

An aeroplane is flying horizontally with a velocity of 720 km/h at an altitude of 490 m. When it is just vertically above the target a bomb is dropped from it. How far horizontally it missed the target?

### Choices

Choice (4) | Response | |
---|---|---|

a. | 100 m | |

b. | 1000 m | |

c. | 200 m | |

d. | 2000 m |

## Question number: 204

» Kinematics » Uniform Circular Motion

### Question

A particle completes 1.5 revolutions in a circular path of radius 2 cm. The angular displacement of the particle will be - (in radian)

### Choices

Choice (4) | Response | |
---|---|---|

a. | 2 π | |

b. | 3 π | |

c. | π | |

d. | 6 π |

## Question number: 205

» Kinematics » Motion in a Plane

### Question

When the angle of elevation of a gun are 60° and 30° respectively, the height it shoots are h1 and h2 respectively, hj/h2 equal to –

### Choices

Choice (4) | Response | |
---|---|---|

a. | 3/1 | |

b. | 1/2 | |

c. | 2/1 | |

d. | 1/3 |