# Kinematics-Motion in a Straight Line (NEET Physics): Questions 41 - 46 of 47

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## Passage

A particle moves along x-axis and its acceleration at any time t is a = 2 sin (πt), where t is in seconds and a is in m/s ^{2}. The initial velocity of particle (at time t = 0) is u = 0.

## Question number: 41 (1 of 3 Based on Passage) Show Passage

» Kinematics » Motion in a Straight Line

### Question

The distance travelled (in meters) by the particle from time t = 0 to t = t will be –

### Choices

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

a. | - + | |

b. | - | |

c. |
| |

d. | All of the above |

## Question number: 42 (2 of 3 Based on Passage) Show Passage

» Kinematics » Motion in a Straight Line

### Question

The magnitude of displacement (in meters) by the particle from time t = 0 to t = t will be –

### Choices

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

a. | - | |

b. | - + | |

c. |
| |

d. | None of the above |

## Question number: 43 (3 of 3 Based on Passage) Show Passage

» Kinematics » Motion in a Straight Line

### Question

the distance travelled (in meters) by the particle from time to t = 0 to t = 1 is will be-

### Choices

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

a. | 4/π | |

b. | 2/π | |

c. | 1/π | |

d. | None of the above |

## Question number: 44

» 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: 45

» Kinematics » Motion in a Straight Line

### Question

A motor car is travelling at 50 m/s on a circular road of radius 600 m. It is increasing its speed at the rate of 4 m/s ^{2}. Its net acceleration is (in m/s ^{2}) –

### Choices

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

a. | 4.8 | |

b. | 5.7 | |

c. | 2 | |

d. | 0 |

## Question number: 46

» Kinematics » Motion in a Straight Line

### Question

If t _{1} be the time taken by a body to clear the top of a building and be the time spent in air, then t _{2}: t _{1} will be -

### Choices

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

a. | 2: 1 | |

b. | 1: 1 | |

c. | 1: 2 | |

d. | 1: 4 |