# Kinematics-Average Speed and Instantaneous Velocity (NEET Physics): Questions 1 - 4 of 108

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## Question number: 1

» Kinematics » Average Speed and Instantaneous Velocity

### Assertion (Ꭺ)

The velocity of a body A relative to the body B is the sum of the velocities of bodies A and B if both travel in opposite direction on a straight line.

### Reason (Ꭱ)

The velocity of a body A relative to the body B is the difference of the velocities of bodies A and B if both travel in opposite direction on a straight line.

### Choices

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

a. | Ꭺ is true but Ꭱ is false | |

b. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ | |

c. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |

d. | Ꭺ is false but Ꭱ is true |

## Question number: 2

» Kinematics » Average Speed and Instantaneous Velocity

### Question

A train of 150 meter length is going towards north direction at a speed of 10 m/s. A parrot flies at the speed of 5 m/s towards south direction parallel to the railway track. The time taken by the parrot to cross the train is

### Choices

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

a. | 8 sec | |

b. | 12 sec | |

c. | 10 sec | |

d. | 15 sec |

## Question number: 3

» Kinematics » Average Speed and Instantaneous Velocity

### Question

A train is moving towards east and a car is along north, both with same speed. The observed direction of car to the passenger in the train is

### Choices

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

a. | East-north direction | |

b. | West-north direction | |

c. | South-east direction | |

d. | All of the above |

## Question number: 4

» Kinematics » Average Speed and Instantaneous Velocity

### Question

From the top of a multistoried building 40m tall, a boy projects a stone vertically upwards with an initial velocity of 10 ms ^{-1} such that it eventually falls to the ground.

(1) After 4 s the stone will strike the ground

(2) After 2 s the stone will pass through the point from where it was projected

(3) Its velocity when it strikes the ground is 30 m/s

(4) Its velocity when it strikes the ground is 40 m/s

### Choices

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

a. | 1, 2 and 3 | |

b. | 2 and 4 | |

c. | 1 and 3 | |

d. | 1 and 2 |