# NEET Physics: Questions 145 - 150 of 2099

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## Question number: 145

» Kinematics » Uniform Circular Motion

### Question

The ratio of angular speeds of minute hand and hour hand of a watch is -

### Choices

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

a. | 6: 1 | |

b. | 1: 6 | |

c. | 1: 12 | |

d. | 12: 1 |

## Question number: 146

» Kinematics » Motion in a Plane

### Question

A ball thrown by one player reaches the other in 2 sec. The maximum height attained by the ball above the point of projection will be about-

### Choices

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

a. | 2.5 m | |

b. | 7.5 m | |

c. | 10 m | |

d. | 5 m |

## Question number: 147

» Kinematics » Average Speed and Instantaneous Velocity

### Question

A projectile thrown from a height of 10 m with velocity of √2 m/s, the projectile will fall, from the foot of projection, at distance- (g = 10 m/s ^{2})

### Choices

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

a. | 1 m | |

b. | 3 m | |

c. | √2 m | |

d. | 2 m |

## Question number: 148

» Kinematics » Uniformly Accelerated Motion

### Question

The shaft of an electric motor starts from rest and on the application of a torque, it gains an angular acceleration given by a = 3t –t ^{3} during the first 2 seconds after it starts after which a = 0. The angular velocity after 6 sec will be –

### Choices

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

a. | 2 rad/sec | |

b. | 1 rad/sec | |

c. | 3 rad/sec | |

d. | 4 rad/sec |

## Question number: 149

» Kinematics » Motion in a Straight Line

### Question

A motor car is travelling at 30 m/s on a circular road of radius 500 m. It is increasing its speed at the rate of 2 m/s ^{2}. Its net acceleration is (in m/s ^{2}) –

### Choices

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

a. | 0 | |

b. | 1.8 | |

c. | 2 | |

d. | 2.7 |

## Question number: 150

» Kinematics » Average Speed and Instantaneous Velocity

### Question

A ball is thrown from ground level so as to just clear a wall 4 metres high at a distance of 4 metres and falls at a distance of 14 metres from the wall. The magnitude of velocity on the ball will be

### Choices

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

a. | √l82 m/s | |

b. | √181 m/s | |

c. | √186 m/s | |

d. | √185 m/s |